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84 vulnerabilities found for traefik by traefik
CERTFR-2026-AVI-0490
Vulnerability from certfr_avis - Published: 2026-04-24 - Updated: 2026-04-24
De multiples vulnérabilités ont été découvertes dans Traefik. Elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Traefik versions v3.7.0-rc.x ant\u00e9rieures \u00e0 v3.7.0-rc.2",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
},
{
"description": "Traefik versions ant\u00e9rieures \u00e0 v2.11.43",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
},
{
"description": "Traefik versions v3.6.x ant\u00e9rieures \u00e0 v3.6.14",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-39858",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-39858"
},
{
"name": "CVE-2026-35051",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35051"
},
{
"name": "CVE-2026-41174",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-41174"
},
{
"name": "CVE-2026-41263",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-41263"
},
{
"name": "CVE-2026-40912",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-40912"
}
],
"initial_release_date": "2026-04-24T00:00:00",
"last_revision_date": "2026-04-24T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0490",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-04-24T00:00:00.000000"
}
],
"risks": [
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Traefik. Elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Traefik",
"vendor_advisories": [
{
"published_at": "2026-04-24",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-6jwx-7vp4-9847",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-6jwx-7vp4-9847"
},
{
"published_at": "2026-04-24",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-6x2q-h3cr-8j2h",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-6x2q-h3cr-8j2h"
},
{
"published_at": "2026-04-24",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-5m6w-wvh7-57vm",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-5m6w-wvh7-57vm"
},
{
"published_at": "2026-04-24",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-xhjw-95fp-8vgq",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-xhjw-95fp-8vgq"
},
{
"published_at": "2026-04-24",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-6384-m2mw-rf54",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-6384-m2mw-rf54"
}
]
}
CERTFR-2026-AVI-0366
Vulnerability from certfr_avis - Published: 2026-03-27 - Updated: 2026-03-27
De multiples vulnérabilités ont été découvertes dans Traefik. Elles permettent à un attaquant de provoquer un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Traefik versions v3.7.0-ea.x ant\u00e9rieures \u00e0 v3.7.0-ea.3",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
},
{
"description": "Traefik versions ant\u00e9rieures \u00e0 v2.11.42",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
},
{
"description": "Traefik versions v3.6.x ant\u00e9rieures \u00e0 v3.6.12",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-33186",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33186"
},
{
"name": "CVE-2026-32695",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-32695"
},
{
"name": "CVE-2026-33433",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-33433"
}
],
"initial_release_date": "2026-03-27T00:00:00",
"last_revision_date": "2026-03-27T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0366",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-03-27T00:00:00.000000"
}
],
"risks": [
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Traefik. Elles permettent \u00e0 un attaquant de provoquer un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Traefik",
"vendor_advisories": [
{
"published_at": "2026-03-27",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-qr99-7898-vr7c",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-qr99-7898-vr7c"
},
{
"published_at": "2026-03-27",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-46wh-3698-f2cx",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-46wh-3698-f2cx"
},
{
"published_at": "2026-03-27",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-67jx-r9pv-98rj",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-67jx-r9pv-98rj"
}
]
}
CERTFR-2026-AVI-0333
Vulnerability from certfr_avis - Published: 2026-03-20 - Updated: 2026-03-20
De multiples vulnérabilités ont été découvertes dans Traefik. Elles permettent à un attaquant de provoquer une atteinte à la confidentialité des données et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | ||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Traefik versions v3.7.0-ea.x ant\u00e9rieures \u00e0 v3.7.0-ea.2",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
},
{
"description": "Traefik versions v3.6.x ant\u00e9rieures \u00e0 v3.6.11",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
},
{
"description": "Traefik versions ant\u00e9rieures \u00e0 v2.11.41",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-32595",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-32595"
},
{
"name": "CVE-2026-32305",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-32305"
}
],
"initial_release_date": "2026-03-20T00:00:00",
"last_revision_date": "2026-03-20T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0333",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-03-20T00:00:00.000000"
}
],
"risks": [
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Traefik. Elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Traefik",
"vendor_advisories": [
{
"published_at": "2026-03-20",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-wvvq-wgcr-9q48",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-wvvq-wgcr-9q48"
},
{
"published_at": "2026-03-20",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-g3hg-j4jv-cwfr",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-g3hg-j4jv-cwfr"
}
]
}
CERTFR-2026-AVI-0268
Vulnerability from certfr_avis - Published: 2026-03-11 - Updated: 2026-03-11
De multiples vulnérabilités ont été découvertes dans Traefik. Elles permettent à un attaquant de provoquer un déni de service à distance et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Traefik versions v3.6.x ant\u00e9rieures \u00e0 v3.6.10",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
},
{
"description": "Traefik versions v2.11.x ant\u00e9rieures \u00e0 v2.11.40",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-29777",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-29777"
},
{
"name": "CVE-2025-68121",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-68121"
},
{
"name": "CVE-2026-27141",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-27141"
}
],
"initial_release_date": "2026-03-11T00:00:00",
"last_revision_date": "2026-03-11T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0268",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-03-11T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Traefik. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Traefik",
"vendor_advisories": [
{
"published_at": "2026-02-20",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-gv8r-9rw9-9697",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-gv8r-9rw9-9697"
},
{
"published_at": "2026-03-11",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-4hjq-9h5c-252j",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-4hjq-9h5c-252j"
},
{
"published_at": "2026-03-11",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-8q2w-wr49-whqj",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-8q2w-wr49-whqj"
}
]
}
CERTFR-2026-AVI-0236
Vulnerability from certfr_avis - Published: 2026-03-05 - Updated: 2026-03-05
De multiples vulnérabilités ont été découvertes dans Traefik. Elles permettent à un attaquant de provoquer un déni de service à distance et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Traefik versions 2.x ant\u00e9rieures \u00e0 2.11.38",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
},
{
"description": "Traefik versions 3.x ant\u00e9rieures \u00e0 3.6.9",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-26998",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-26998"
},
{
"name": "CVE-2026-29054",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-29054"
},
{
"name": "CVE-2026-26999",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-26999"
}
],
"initial_release_date": "2026-03-05T00:00:00",
"last_revision_date": "2026-03-05T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0236",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-03-05T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Traefik. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Traefik",
"vendor_advisories": [
{
"published_at": "2026-03-04",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-fw45-f5q2-2p4x",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-fw45-f5q2-2p4x"
},
{
"published_at": "2026-03-04",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-xw98-5q62-jx94",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-xw98-5q62-jx94"
},
{
"published_at": "2026-03-04",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-92mv-8f8w-wq52",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-92mv-8f8w-wq52"
}
]
}
CERTFR-2026-AVI-0191
Vulnerability from certfr_avis - Published: 2026-02-20 - Updated: 2026-02-20
Une vulnérabilité a été découverte dans Traefik. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Traefik versions v2.x ant\u00e9rieures \u00e0 v2.11.37",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
},
{
"description": "Traefik versions v3.x ant\u00e9rieures \u00e0 v3.6.8",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2025-68121",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-68121"
}
],
"initial_release_date": "2026-02-20T00:00:00",
"last_revision_date": "2026-02-20T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0191",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-02-20T00:00:00.000000"
}
],
"risks": [
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Traefik. Elle permet \u00e0 un attaquant de provoquer un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Vuln\u00e9rabilit\u00e9 dans Traefik",
"vendor_advisories": [
{
"published_at": "2026-02-20",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-gv8r-9rw9-9697",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-gv8r-9rw9-9697"
}
]
}
CERTFR-2026-AVI-0154
Vulnerability from certfr_avis - Published: 2026-02-12 - Updated: 2026-02-12
Une vulnérabilité a été découverte dans Traefik. Elle permet à un attaquant de provoquer un déni de service à distance et un contournement de la politique de sécurité.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Traefik versions ant\u00e9rieures \u00e0 v3.6.8",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-25949",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-25949"
}
],
"initial_release_date": "2026-02-12T00:00:00",
"last_revision_date": "2026-02-12T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0154",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-02-12T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Traefik. Elle permet \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance et un contournement de la politique de s\u00e9curit\u00e9.",
"title": "Vuln\u00e9rabilit\u00e9 dans Traefik",
"vendor_advisories": [
{
"published_at": "2026-02-12",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-89p3-4642-cr2w",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-89p3-4642-cr2w"
}
]
}
CERTFR-2026-AVI-0053
Vulnerability from certfr_avis - Published: 2026-01-16 - Updated: 2026-01-16
Une vulnérabilité a été découverte dans Traefik. Elle permet à un attaquant de provoquer un déni de service à distance.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Traefik versions v2.11.x ant\u00e9rieures \u00e0 v2.11.35 pour go",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
},
{
"description": "Traefik versions v3.6.x ant\u00e9rieures \u00e0 v3.6.7 pour go",
"product": {
"name": "Traefik",
"vendor": {
"name": "Traefik",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [],
"initial_release_date": "2026-01-16T00:00:00",
"last_revision_date": "2026-01-16T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0053",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-01-16T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
}
],
"summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Traefik. Elle permet \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance.",
"title": "Vuln\u00e9rabilit\u00e9 dans Traefik",
"vendor_advisories": [
{
"published_at": "2026-01-15",
"title": "Bulletin de s\u00e9curit\u00e9 Traefik GHSA-cwjm-3f7h-9hwq",
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-cwjm-3f7h-9hwq"
}
]
}
VAR-202310-0175
Vulnerability from variot - Updated: 2026-04-10 22:02The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512
Debian Security Advisory DSA-5540-1 security@debian.org https://www.debian.org/security/ Markus Koschany October 30, 2023 https://www.debian.org/security/faq
Package : jetty9 CVE ID : CVE-2023-36478 CVE-2023-44487
Two remotely exploitable security vulnerabilities were discovered in Jetty 9, a Java based web server and servlet engine. The HTTP/2 protocol implementation did not sufficiently verify if HPACK header values exceed their size limit. This problem is also known as Rapid Reset Attack.
For the oldstable distribution (bullseye), these problems have been fixed in version 9.4.50-4+deb11u1.
For the stable distribution (bookworm), these problems have been fixed in version 9.4.50-4+deb12u2.
We recommend that you upgrade your jetty9 packages.
For the detailed security status of jetty9 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/jetty9
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE-----
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Description:
Red Hat AMQ Streams, based on the Apache Kafka project, offers a distributed backbone that allows microservices and other applications to share data with extremely high throughput and extremely low latency. This could result in denial of service.
Description:
nghttp2 contains the Hypertext Transfer Protocol version 2 (HTTP/2) client, server, and proxy programs as well as a library implementing the HTTP/2 protocol in C.
Description:
Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.
Description:
.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.
New versions of .NET that address a security vulnerability are now available. The updated versions are .NET 6.0 to SDK 6.0.123 and Runtime 6.0.23.
The following advisory data is extracted from:
https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7481.json
Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.
- Packet Storm Staff
==================================================================== Red Hat Security Advisory
Synopsis: Important: OpenShift Container Platform 4.11.54 packages and security update Advisory ID: RHSA-2023:7481-01 Product: Red Hat OpenShift Enterprise Advisory URL: https://access.redhat.com/errata/RHSA-2023:7481 Issue date: 2023-11-29 Revision: 01 CVE Names: CVE-2023-44487 ====================================================================
Summary:
Red Hat OpenShift Container Platform release 4.11.54 is now available with updates to packages and images that fix several bugs and add enhancements.
This release includes a security update for Red Hat OpenShift Container Platform 4.11.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description:
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.
This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.11.54. See the following advisory for the container images for this release:
https://access.redhat.com/errata/RHSA-2023:7479
Security Fix(es):
- HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
All OpenShift Container Platform 4.11 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.11/updating/updating-cluster-cli.html
Solution:
https://docs.openshift.com/container-platform/4.11/release_notes/ocp-4-11-release-notes.html
CVEs:
CVE-2023-44487
References:
https://access.redhat.com/security/updates/classification/#important https://bugzilla.redhat.com/show_bug.cgi?id=2242803
. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202408-10
https://security.gentoo.org/
Severity: Normal Title: nghttp2: Multiple Vulnerabilities Date: August 07, 2024 Bugs: #915554, #928541 ID: 202408-10
Synopsis
Multiple vulnerabilities have been discovered in nghttp2, the worst of which could lead to a denial of service.
Background
Nghttp2 is an implementation of HTTP/2 and its header compression algorithm HPACK in C.
Affected packages
Package Vulnerable Unaffected
net-libs/nghttp2 < 1.61.0 >= 1.61.0
Description
Multiple vulnerabilities have been discovered in nghttp2. Please review the CVE identifiers referenced below for details.
Impact
Please review the referenced CVE identifiers for details.
Workaround
There is no known workaround at this time.
Resolution
All nghttp2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/nghttp2-1.61.0"
References
[ 1 ] CVE-2023-44487 https://nvd.nist.gov/vuln/detail/CVE-2023-44487 [ 2 ] CVE-2024-28182 https://nvd.nist.gov/vuln/detail/CVE-2024-28182
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202408-10
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2024 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
Show details on source website{
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"data": "The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA512\n\n- -------------------------------------------------------------------------\nDebian Security Advisory DSA-5540-1 security@debian.org\nhttps://www.debian.org/security/ Markus Koschany\nOctober 30, 2023 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : jetty9\nCVE ID : CVE-2023-36478 CVE-2023-44487\n\nTwo remotely exploitable security vulnerabilities were discovered in Jetty 9, a\nJava based web server and servlet engine. The HTTP/2 protocol implementation\ndid not sufficiently verify if HPACK header values exceed their size limit. This\nproblem is also known as Rapid Reset Attack. \n\nFor the oldstable distribution (bullseye), these problems have been fixed\nin version 9.4.50-4+deb11u1. \n\nFor the stable distribution (bookworm), these problems have been fixed in\nversion 9.4.50-4+deb12u2. \n\nWe recommend that you upgrade your jetty9 packages. \n\nFor the detailed security status of jetty9 please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/jetty9\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org\n-----BEGIN PGP SIGNATURE-----\n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\nE8ThC0Q+lbZ4nth0vw2R93ObMfzlxZN2YJUqKf3aw/yAKd8YIys=CO/+\n-----END PGP SIGNATURE-----\n. \n\n\n\n\nDescription:\n\nRed Hat AMQ Streams, based on the Apache Kafka project, offers a distributed backbone that allows microservices and other applications to share data with extremely high throughput and extremely low latency. This could result\nin denial of service. \n\n\n\n\nDescription:\n\nnghttp2 contains the Hypertext Transfer Protocol version 2 (HTTP/2) client, server, and proxy programs as well as a library implementing the HTTP/2 protocol in C. \n\n\n\n\nDescription:\n\nNode.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. \n\n\n\n\nDescription:\n\n.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. \n\nNew versions of .NET that address a security vulnerability are now available. The updated versions are .NET 6.0 to SDK 6.0.123 and Runtime 6.0.23. \n\nThe following advisory data is extracted from:\n\nhttps://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7481.json\n\nRed Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat\u0027s archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment. \n\n- Packet Storm Staff\n\n\n\n\n====================================================================\nRed Hat Security Advisory\n\nSynopsis: Important: OpenShift Container Platform 4.11.54 packages and security update\nAdvisory ID: RHSA-2023:7481-01\nProduct: Red Hat OpenShift Enterprise\nAdvisory URL: https://access.redhat.com/errata/RHSA-2023:7481\nIssue date: 2023-11-29\nRevision: 01\nCVE Names: CVE-2023-44487\n====================================================================\n\nSummary: \n\nRed Hat OpenShift Container Platform release 4.11.54 is now available with updates to packages and images that fix several bugs and add enhancements. \n\nThis release includes a security update for Red Hat OpenShift Container Platform 4.11. \n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. \n\n\n\n\nDescription:\n\nRed Hat OpenShift Container Platform is Red Hat\u0027s cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. \n\nThis advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.11.54. See the following advisory for the container images for this release:\n\nhttps://access.redhat.com/errata/RHSA-2023:7479\n\nSecurity Fix(es):\n\n* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS\nattack (Rapid Reset Attack) (CVE-2023-44487)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. \n\nAll OpenShift Container Platform 4.11 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.11/updating/updating-cluster-cli.html\n\n\nSolution:\n\nhttps://docs.openshift.com/container-platform/4.11/release_notes/ocp-4-11-release-notes.html\n\n\n\nCVEs:\n\nCVE-2023-44487\n\nReferences:\n\nhttps://access.redhat.com/security/updates/classification/#important\nhttps://bugzilla.redhat.com/show_bug.cgi?id=2242803\n\n. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nGentoo Linux Security Advisory GLSA 202408-10\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n https://security.gentoo.org/\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n Severity: Normal\n Title: nghttp2: Multiple Vulnerabilities\n Date: August 07, 2024\n Bugs: #915554, #928541\n ID: 202408-10\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\nSynopsis\n========\n\nMultiple vulnerabilities have been discovered in nghttp2, the worst of\nwhich could lead to a denial of service. \n\nBackground\n==========\n\nNghttp2 is an implementation of HTTP/2 and its header compression\nalgorithm HPACK in C. \n\nAffected packages\n=================\n\nPackage Vulnerable Unaffected\n---------------- ------------ ------------\nnet-libs/nghttp2 \u003c 1.61.0 \u003e= 1.61.0\n\nDescription\n===========\n\nMultiple vulnerabilities have been discovered in nghttp2. Please review\nthe CVE identifiers referenced below for details. \n\nImpact\n======\n\nPlease review the referenced CVE identifiers for details. \n\nWorkaround\n==========\n\nThere is no known workaround at this time. \n\nResolution\n==========\n\nAll nghttp2 users should upgrade to the latest version:\n\n # emerge --sync\n # emerge --ask --oneshot --verbose \"\u003e=net-libs/nghttp2-1.61.0\"\n\nReferences\n==========\n\n[ 1 ] CVE-2023-44487\n https://nvd.nist.gov/vuln/detail/CVE-2023-44487\n[ 2 ] CVE-2024-28182\n https://nvd.nist.gov/vuln/detail/CVE-2024-28182\n\nAvailability\n============\n\nThis GLSA and any updates to it are available for viewing at\nthe Gentoo Security Website:\n\n https://security.gentoo.org/glsa/202408-10\n\nConcerns?\n=========\n\nSecurity is a primary focus of Gentoo Linux and ensuring the\nconfidentiality and security of our users\u0027 machines is of utmost\nimportance to us. Any security concerns should be addressed to\nsecurity@gentoo.org or alternatively, you may file a bug at\nhttps://bugs.gentoo.org. \n\nLicense\n=======\n\nCopyright 2024 Gentoo Foundation, Inc; referenced text\nbelongs to its owner(s). \n\nThe contents of this document are licensed under the\nCreative Commons - Attribution / Share Alike license. \n\nhttps://creativecommons.org/licenses/by-sa/2.5\n",
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CVE-2026-33433 (GCVE-0-2026-33433)
Vulnerability from nvd – Published: 2026-03-27 13:49 – Updated: 2026-03-30 12:00
VLAI?
Title
Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.42, 3.6.11, and 3.7.0-ea.3, when `headerField` is configured with a non-canonical HTTP header name (e.g., `x-auth-user` instead of `X-Auth-User`), an authenticated attacker can inject their own canonical version of that header to impersonate any identity to the backend. The backend receives two header entries — the attacker-injected canonical one is read first, overriding Traefik's non-canonical write. Versions 2.11.42, 3.6.11, and 3.7.0-ea.3 patch the issue.
Severity ?
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
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CVE-2026-32695 (GCVE-0-2026-32695)
Vulnerability from nvd – Published: 2026-03-27 13:47 – Updated: 2026-03-30 11:59
VLAI?
Title
Traefik has Knative Ingress Rule Injection that Allows Host Restriction Bypass
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to versions 3.6.11 and 3.7.0-ea.2, Traefik's Knative provider builds router rules by interpolating user-controlled values into backtick-delimited rule expressions without escaping. In live cluster validation, Knative `rules[].hosts[]` was exploitable for host restriction bypass (for example `tenant.example.com`) || Host(`attacker.com`), producing a router that serves attacker-controlled hosts. Knative `headers[].exact` also allows rule-syntax injection and proves unsafe rule construction. In multi-tenant clusters, this can route unauthorized traffic to victim services and lead to cross-tenant traffic exposure. Versions 3.6.11 and 3.7.0-ea.2 patch the issue.
Severity ?
CWE
- CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
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CVE-2026-32595 (GCVE-0-2026-32595)
Vulnerability from nvd – Published: 2026-03-20 10:08 – Updated: 2026-03-20 15:38
VLAI?
Title
Traefik: BasicAuth Middleware Timing Attack Allows Username Enumeration
Summary
Traefik is an HTTP reverse proxy and load balancer. Versions 2.11.40 and below, 3.0.0-beta1 through 3.6.11, and 3.7.0-ea.1 comtain BasicAuth middleware that allows username enumeration via a timing attack. When a submitted username exists, the middleware performs a bcrypt password comparison taking ~166ms. When the username does not exist, the response returns immediately in ~0.6ms. This ~298x timing difference is observable over the network and allows an unauthenticated attacker to reliably distinguish valid from invalid usernames. This issue is patched in versions 2.11.41, 3.6.11 and 3.7.0-ea.2.
Severity ?
CWE
- CWE-208 - Observable Timing Discrepancy
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
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}
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CVE-2026-32305 (GCVE-0-2026-32305)
Vulnerability from nvd – Published: 2026-03-20 10:01 – Updated: 2026-03-20 13:45
VLAI?
Title
Traefik mTLS bypass via fragmented ClientHello SNI extraction failure
Summary
Traefik is an HTTP reverse proxy and load balancer. Versions 2.11.40 and below, 3.0.0-beta1 through 3.6.11, and 3.7.0-ea.1 are vulnerable to mTLS bypass through the TLS SNI pre-sniffing logic related to fragmented ClientHello packets. When a TLS ClientHello is fragmented across multiple records, Traefik's SNI extraction may fail with an EOF and return an empty SNI. The TCP router then falls back to the default TLS configuration, which does not require client certificates by default. This allows an attacker to bypass route-level mTLS enforcement and access services that should require mutual TLS authentication. This issue is patched in versions 2.11.41, 3.6.11 and 3.7.0-ea.2.
Severity ?
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
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CVE-2026-29777 (GCVE-0-2026-29777)
Vulnerability from nvd – Published: 2026-03-11 15:54 – Updated: 2026-03-11 17:22
VLAI?
Title
Traefik has a kubernetes gateway rule injection via unescaped backticks in HTTPRoute match values
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.10, A tenant with write access to an HTTPRoute resource can inject backtick-delimited rule tokens into Traefik's router rule language via unsanitized header or query parameter match values. In shared gateway deployments, this can bypass listener hostname constraints and redirect traffic for victim hostnames to attacker-controlled backends. This vulnerability is fixed in 3.6.10.
Severity ?
CWE
- CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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}
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CVE-2026-29054 (GCVE-0-2026-29054)
Vulnerability from nvd – Published: 2026-03-05 16:18 – Updated: 2026-03-06 16:11
VLAI?
Title
Traefik: lowercase `Connection` tokens can delete traefik-managed forwarded identity headers (for example, `X-Real-Ip`)
Summary
Traefik is an HTTP reverse proxy and load balancer. From version 2.11.9 to 2.11.37 and from version 3.1.3 to 3.6.8, there is a potential vulnerability in Traefik managing the Connection header with X-Forwarded headers. When Traefik processes HTTP/1.1 requests, the protection put in place to prevent the removal of Traefik-managed X-Forwarded headers (such as X-Real-Ip, X-Forwarded-Host, X-Forwarded-Port, etc.) via the Connection header does not handle case sensitivity correctly. The Connection tokens are compared case-sensitively against the protected header names, but the actual header deletion operates case-insensitively. As a result, a remote unauthenticated client can use lowercase Connection tokens (e.g. Connection: x-real-ip) to bypass the protection and trigger the removal of Traefik-managed forwarded identity headers. This issue has been patched in versions 2.11.38 and 3.6.9.
Severity ?
7.5 (High)
CWE
- CWE-178 - Improper Handling of Case Sensitivity
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
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CVE-2026-26999 (GCVE-0-2026-26999)
Vulnerability from nvd – Published: 2026-03-05 16:15 – Updated: 2026-03-06 16:12
VLAI?
Title
Traefik: tcp router clears read deadlines before tls forwarding, enabling stalled handshakes (slowloris doS)
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.38 and 3.6.9, there is a potential vulnerability in Traefik managing TLS handshake on TCP routers. When Traefik processes a TLS connection on a TCP router, the read deadline used to bound protocol sniffing is cleared before the TLS handshake is completed. When a TLS handshake read error occurs, the code attempts a second handshake with different connection parameters, silently ignoring the initial error. A remote unauthenticated client can exploit this by sending an incomplete TLS record and stopping further data transmission, causing the TLS handshake to stall indefinitely and holding connections open. By opening many such stalled connections in parallel, an attacker can exhaust file descriptors and goroutines, degrading availability of all services on the affected entrypoint. This issue has been patched in versions 2.11.38 and 3.6.9.
Severity ?
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
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CVE-2026-26998 (GCVE-0-2026-26998)
Vulnerability from nvd – Published: 2026-03-05 16:15 – Updated: 2026-03-06 16:12
VLAI?
Title
Traefik: unbounded io.ReadAll on auth server response body causes OOM denial of service(DOS)
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.38 and 3.6.9, there is a potential vulnerability in Traefik managing the ForwardAuth middleware responses. When Traefik is configured to use the ForwardAuth middleware, the response body from the authentication server is read entirely into memory without any size limit. There is no maxResponseBodySize configuration to restrict the amount of data read from the authentication server response. If the authentication server returns an unexpectedly large or unbounded response body, Traefik will allocate unlimited memory, potentially causing an out-of-memory (OOM) condition that crashes the process. This results in a denial of service for all routes served by the affected Traefik instance. This issue has been patched in versions 2.11.38 and 3.6.9.
Severity ?
4.4 (Medium)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2026-25949 (GCVE-0-2026-25949)
Vulnerability from nvd – Published: 2026-02-12 20:01 – Updated: 2026-02-12 21:16
VLAI?
Title
Traefik: TCP readTimeout bypass via STARTTLS on Postgres
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.8, there is a potential vulnerability in Traefik managing STARTTLS requests. An unauthenticated client can bypass Traefik entrypoint respondingTimeouts.readTimeout by sending the 8-byte Postgres SSLRequest (STARTTLS) prelude and then stalling, causing connections to remain open indefinitely, leading to a denial of service. This vulnerability is fixed in 3.6.8.
Severity ?
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2026-22045 (GCVE-0-2026-22045)
Vulnerability from nvd – Published: 2026-01-15 22:44 – Updated: 2026-01-20 16:29
VLAI?
Title
Traefik's ACME TLS-ALPN fast path lacks timeouts and close on handshake stall
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.35 and 3.6.7, there is a potential vulnerability in Traefik ACME TLS certificates' automatic generation: the ACME TLS-ALPN fast path can allow unauthenticated clients to tie up go routines and file descriptors indefinitely when the ACME TLS challenge is enabled. A malicious client can open many connections, send a minimal ClientHello with acme-tls/1, then stop responding, leading to denial of service of the entry point. The vulnerability is fixed in 2.11.35 and 3.6.7.
Severity ?
5.9 (Medium)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
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CVE-2025-66491 (GCVE-0-2025-66491)
Vulnerability from nvd – Published: 2025-12-09 00:38 – Updated: 2025-12-09 16:03
VLAI?
Title
Traefik has Inverted TLS Verification Logic in its ingress-nginx Provider
Summary
Traefik is an HTTP reverse proxy and load balancer. Versions 3.5.0 through 3.6.2 have inverted TLS verification logic in the nginx.ingress.kubernetes.io/proxy-ssl-verify annotation. Setting the annotation to "on" (intending to enable backend TLS certificate verification) actually disables verification, allowing man-in-the-middle attacks against HTTPS backends when operators believe they are protected. This issue is fixed in version 3.6.3.
Severity ?
5.9 (Medium)
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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"name": "https://github.com/traefik/traefik/commit/14a1aedf5704673d875d210d7bacf103a43c77e4",
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"x_refsource_MISC"
],
"url": "https://github.com/traefik/traefik/commit/14a1aedf5704673d875d210d7bacf103a43c77e4"
},
{
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"x_refsource_MISC"
],
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}
],
"source": {
"advisory": "GHSA-7vww-mvcr-x6vj",
"discovery": "UNKNOWN"
},
"title": "Traefik has Inverted TLS Verification Logic in its ingress-nginx Provider"
}
},
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CVE-2026-33433 (GCVE-0-2026-33433)
Vulnerability from cvelistv5 – Published: 2026-03-27 13:49 – Updated: 2026-03-30 12:00
VLAI?
Title
Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.42, 3.6.11, and 3.7.0-ea.3, when `headerField` is configured with a non-canonical HTTP header name (e.g., `x-auth-user` instead of `X-Auth-User`), an authenticated attacker can inject their own canonical version of that header to impersonate any identity to the backend. The backend receives two header entries — the attacker-injected canonical one is read first, overriding Traefik's non-canonical write. Versions 2.11.42, 3.6.11, and 3.7.0-ea.3 patch the issue.
Severity ?
CWE
- CWE-290 - Authentication Bypass by Spoofing
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
{
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}
],
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"x_refsource_MISC"
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},
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"x_refsource_MISC"
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"x_refsource_MISC"
],
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"discovery": "UNKNOWN"
},
"title": "Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField"
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CVE-2026-32695 (GCVE-0-2026-32695)
Vulnerability from cvelistv5 – Published: 2026-03-27 13:47 – Updated: 2026-03-30 11:59
VLAI?
Title
Traefik has Knative Ingress Rule Injection that Allows Host Restriction Bypass
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to versions 3.6.11 and 3.7.0-ea.2, Traefik's Knative provider builds router rules by interpolating user-controlled values into backtick-delimited rule expressions without escaping. In live cluster validation, Knative `rules[].hosts[]` was exploitable for host restriction bypass (for example `tenant.example.com`) || Host(`attacker.com`), producing a router that serves attacker-controlled hosts. Knative `headers[].exact` also allows rule-syntax injection and proves unsafe rule construction. In multi-tenant clusters, this can route unauthorized traffic to victim services and lead to cross-tenant traffic exposure. Versions 3.6.11 and 3.7.0-ea.2 patch the issue.
Severity ?
CWE
- CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
{
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{
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}
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"vendor": "traefik",
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}
]
}
],
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}
],
"metrics": [
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}
],
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},
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"x_refsource_CONFIRM"
],
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},
{
"name": "https://github.com/traefik/traefik/releases/tag/v3.6.11",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/traefik/traefik/releases/tag/v3.6.11"
},
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"name": "https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.2",
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"x_refsource_MISC"
],
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}
],
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"advisory": "GHSA-67jx-r9pv-98rj",
"discovery": "UNKNOWN"
},
"title": "Traefik has Knative Ingress Rule Injection that Allows Host Restriction Bypass"
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CVE-2026-32595 (GCVE-0-2026-32595)
Vulnerability from cvelistv5 – Published: 2026-03-20 10:08 – Updated: 2026-03-20 15:38
VLAI?
Title
Traefik: BasicAuth Middleware Timing Attack Allows Username Enumeration
Summary
Traefik is an HTTP reverse proxy and load balancer. Versions 2.11.40 and below, 3.0.0-beta1 through 3.6.11, and 3.7.0-ea.1 comtain BasicAuth middleware that allows username enumeration via a timing attack. When a submitted username exists, the middleware performs a bcrypt password comparison taking ~166ms. When the username does not exist, the response returns immediately in ~0.6ms. This ~298x timing difference is observable over the network and allows an unauthenticated attacker to reliably distinguish valid from invalid usernames. This issue is patched in versions 2.11.41, 3.6.11 and 3.7.0-ea.2.
Severity ?
CWE
- CWE-208 - Observable Timing Discrepancy
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
{
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{
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"content": {
"id": "CVE-2026-32595",
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},
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}
],
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"timestamp": "2026-03-20T15:38:09.554987Z",
"version": "2.0.3"
},
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}
}
],
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},
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}
],
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"vendor": "traefik",
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{
"status": "affected",
"version": "\u003c 2.11.41"
},
{
"status": "affected",
"version": "\u003e= 3.0.0-beta1, \u003c 3.6.11"
},
{
"status": "affected",
"version": "\u003e= 3.7.0-ea.1, \u003c 3.7.0-ea.2"
}
]
}
],
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}
],
"metrics": [
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"baseSeverity": "MEDIUM",
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"subConfidentialityImpact": "LOW",
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}
],
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}
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},
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{
"name": "https://github.com/traefik/traefik/security/advisories/GHSA-g3hg-j4jv-cwfr",
"tags": [
"x_refsource_CONFIRM"
],
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},
{
"name": "https://github.com/traefik/traefik/releases/tag/v2.11.41",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/traefik/traefik/releases/tag/v2.11.41"
},
{
"name": "https://github.com/traefik/traefik/releases/tag/v3.6.11",
"tags": [
"x_refsource_MISC"
],
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},
{
"name": "https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/traefik/traefik/releases/tag/v3.7.0-ea.2"
}
],
"source": {
"advisory": "GHSA-g3hg-j4jv-cwfr",
"discovery": "UNKNOWN"
},
"title": "Traefik: BasicAuth Middleware Timing Attack Allows Username Enumeration"
}
},
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"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-32595",
"datePublished": "2026-03-20T10:08:41.636Z",
"dateReserved": "2026-03-12T14:54:24.268Z",
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"state": "PUBLISHED"
},
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CVE-2026-32305 (GCVE-0-2026-32305)
Vulnerability from cvelistv5 – Published: 2026-03-20 10:01 – Updated: 2026-03-20 13:45
VLAI?
Title
Traefik mTLS bypass via fragmented ClientHello SNI extraction failure
Summary
Traefik is an HTTP reverse proxy and load balancer. Versions 2.11.40 and below, 3.0.0-beta1 through 3.6.11, and 3.7.0-ea.1 are vulnerable to mTLS bypass through the TLS SNI pre-sniffing logic related to fragmented ClientHello packets. When a TLS ClientHello is fragmented across multiple records, Traefik's SNI extraction may fail with an EOF and return an empty SNI. The TCP router then falls back to the default TLS configuration, which does not require client certificates by default. This allows an attacker to bypass route-level mTLS enforcement and access services that should require mutual TLS authentication. This issue is patched in versions 2.11.41, 3.6.11 and 3.7.0-ea.2.
Severity ?
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
{
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{
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"content": {
"id": "CVE-2026-32305",
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},
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],
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"timestamp": "2026-03-20T13:44:56.647317Z",
"version": "2.0.3"
},
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}
],
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"vendor": "traefik",
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"status": "affected",
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},
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"status": "affected",
"version": "\u003e= 3.0.0-beta1, \u003c 3.6.11"
},
{
"status": "affected",
"version": "\u003e= 3.7.0-ea.1, \u003c 3.7.0-ea.2"
}
]
}
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}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "HIGH",
"subIntegrityImpact": "HIGH",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N",
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"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
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}
],
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"descriptions": [
{
"cweId": "CWE-287",
"description": "CWE-287: Improper Authentication",
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]
},
{
"descriptions": [
{
"cweId": "CWE-1188",
"description": "CWE-1188: Insecure Default Initialization of Resource",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
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{
"name": "https://github.com/traefik/traefik/security/advisories/GHSA-wvvq-wgcr-9q48",
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"x_refsource_CONFIRM"
],
"url": "https://github.com/traefik/traefik/security/advisories/GHSA-wvvq-wgcr-9q48"
},
{
"name": "https://github.com/traefik/traefik/releases/tag/v2.11.41",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/traefik/traefik/releases/tag/v2.11.41"
},
{
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CVE-2026-29777 (GCVE-0-2026-29777)
Vulnerability from cvelistv5 – Published: 2026-03-11 15:54 – Updated: 2026-03-11 17:22
VLAI?
Title
Traefik has a kubernetes gateway rule injection via unescaped backticks in HTTPRoute match values
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.10, A tenant with write access to an HTTPRoute resource can inject backtick-delimited rule tokens into Traefik's router rule language via unsanitized header or query parameter match values. In shared gateway deployments, this can bypass listener hostname constraints and redirect traffic for victim hostnames to attacker-controlled backends. This vulnerability is fixed in 3.6.10.
Severity ?
CWE
- CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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CVE-2026-29054 (GCVE-0-2026-29054)
Vulnerability from cvelistv5 – Published: 2026-03-05 16:18 – Updated: 2026-03-06 16:11
VLAI?
Title
Traefik: lowercase `Connection` tokens can delete traefik-managed forwarded identity headers (for example, `X-Real-Ip`)
Summary
Traefik is an HTTP reverse proxy and load balancer. From version 2.11.9 to 2.11.37 and from version 3.1.3 to 3.6.8, there is a potential vulnerability in Traefik managing the Connection header with X-Forwarded headers. When Traefik processes HTTP/1.1 requests, the protection put in place to prevent the removal of Traefik-managed X-Forwarded headers (such as X-Real-Ip, X-Forwarded-Host, X-Forwarded-Port, etc.) via the Connection header does not handle case sensitivity correctly. The Connection tokens are compared case-sensitively against the protected header names, but the actual header deletion operates case-insensitively. As a result, a remote unauthenticated client can use lowercase Connection tokens (e.g. Connection: x-real-ip) to bypass the protection and trigger the removal of Traefik-managed forwarded identity headers. This issue has been patched in versions 2.11.38 and 3.6.9.
Severity ?
7.5 (High)
CWE
- CWE-178 - Improper Handling of Case Sensitivity
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
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CVE-2026-26999 (GCVE-0-2026-26999)
Vulnerability from cvelistv5 – Published: 2026-03-05 16:15 – Updated: 2026-03-06 16:12
VLAI?
Title
Traefik: tcp router clears read deadlines before tls forwarding, enabling stalled handshakes (slowloris doS)
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.38 and 3.6.9, there is a potential vulnerability in Traefik managing TLS handshake on TCP routers. When Traefik processes a TLS connection on a TCP router, the read deadline used to bound protocol sniffing is cleared before the TLS handshake is completed. When a TLS handshake read error occurs, the code attempts a second handshake with different connection parameters, silently ignoring the initial error. A remote unauthenticated client can exploit this by sending an incomplete TLS record and stopping further data transmission, causing the TLS handshake to stall indefinitely and holding connections open. By opening many such stalled connections in parallel, an attacker can exhaust file descriptors and goroutines, degrading availability of all services on the affected entrypoint. This issue has been patched in versions 2.11.38 and 3.6.9.
Severity ?
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2026-26998 (GCVE-0-2026-26998)
Vulnerability from cvelistv5 – Published: 2026-03-05 16:15 – Updated: 2026-03-06 16:12
VLAI?
Title
Traefik: unbounded io.ReadAll on auth server response body causes OOM denial of service(DOS)
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.38 and 3.6.9, there is a potential vulnerability in Traefik managing the ForwardAuth middleware responses. When Traefik is configured to use the ForwardAuth middleware, the response body from the authentication server is read entirely into memory without any size limit. There is no maxResponseBodySize configuration to restrict the amount of data read from the authentication server response. If the authentication server returns an unexpectedly large or unbounded response body, Traefik will allocate unlimited memory, potentially causing an out-of-memory (OOM) condition that crashes the process. This results in a denial of service for all routes served by the affected Traefik instance. This issue has been patched in versions 2.11.38 and 3.6.9.
Severity ?
4.4 (Medium)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2026-25949 (GCVE-0-2026-25949)
Vulnerability from cvelistv5 – Published: 2026-02-12 20:01 – Updated: 2026-02-12 21:16
VLAI?
Title
Traefik: TCP readTimeout bypass via STARTTLS on Postgres
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.8, there is a potential vulnerability in Traefik managing STARTTLS requests. An unauthenticated client can bypass Traefik entrypoint respondingTimeouts.readTimeout by sending the 8-byte Postgres SSLRequest (STARTTLS) prelude and then stalling, causing connections to remain open indefinitely, leading to a denial of service. This vulnerability is fixed in 3.6.8.
Severity ?
7.5 (High)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2026-22045 (GCVE-0-2026-22045)
Vulnerability from cvelistv5 – Published: 2026-01-15 22:44 – Updated: 2026-01-20 16:29
VLAI?
Title
Traefik's ACME TLS-ALPN fast path lacks timeouts and close on handshake stall
Summary
Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.35 and 3.6.7, there is a potential vulnerability in Traefik ACME TLS certificates' automatic generation: the ACME TLS-ALPN fast path can allow unauthenticated clients to tie up go routines and file descriptors indefinitely when the ACME TLS challenge is enabled. A malicious client can open many connections, send a minimal ClientHello with acme-tls/1, then stop responding, leading to denial of service of the entry point. The vulnerability is fixed in 2.11.35 and 3.6.7.
Severity ?
5.9 (Medium)
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
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