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CERTFR-2026-AVI-1086
Vulnerability from certfr_avis - Published: 2026-08-26 - Updated: 2026-08-26
De multiples vulnérabilités ont été découvertes dans GitLab. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et une atteinte à la confidentialité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| GitLab | GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) | GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.3.x antérieures à 19.3.1 | ||
| GitLab | GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) | GitLab Community Edition (CE) et Enterprise Edition (EE) versions antérieures à 19.1.7 | ||
| GitLab | GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE) | GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.2.x antérieures à 19.2.5 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.3.x ant\u00e9rieures \u00e0 19.3.1",
"product": {
"name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
"vendor": {
"name": "GitLab",
"scada": false
}
}
},
{
"description": "GitLab Community Edition (CE) et Enterprise Edition (EE) versions ant\u00e9rieures \u00e0 19.1.7",
"product": {
"name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
"vendor": {
"name": "GitLab",
"scada": false
}
}
},
{
"description": "GitLab Community Edition (CE) et Enterprise Edition (EE) versions 19.2.x ant\u00e9rieures \u00e0 19.2.5",
"product": {
"name": "GitLab Community Edition (CE) et Gitlab Enterprise Edition (EE)",
"vendor": {
"name": "GitLab",
"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-2026-4398",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-4398"
},
{
"name": "CVE-2026-15387",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-15387"
},
{
"name": "CVE-2025-10903",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-10903"
},
{
"name": "CVE-2026-18252",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-18252"
},
{
"name": "CVE-2026-7487",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-7487"
},
{
"name": "CVE-2026-77801",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-77801"
},
{
"name": "CVE-2026-3035",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-3035"
}
],
"initial_release_date": "2026-08-26T00:00:00",
"last_revision_date": "2026-08-26T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1086",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-08-26T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
},
{
"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 GitLab. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance, un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans GitLab",
"vendor_advisories": [
{
"published_at": "2026-08-26",
"title": "Bulletin de s\u00e9curit\u00e9 GitLab",
"url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/"
}
]
}
CVE-2025-10903 (GCVE-0-2025-10903)
Vulnerability from cvelistv5 – Published: 2026-08-26 13:37 – Updated: 2026-08-26 15:43
VLAI
EPSS
VEX
Title
Loop with Unreachable Exit Condition ('Infinite Loop') in GitLab
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have caused denial of service, due to an unbounded loop triggered by specially crafted input in the SCIM user provisioning feature.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:43 UTC
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/3292470 | technical-descriptionexploitpermissions-required |
| https://gitlab.com/gitlab-org/gitlab/-/work_items… | |
| https://docs.gitlab.com/releases/patches/patch-re… |
Impacted products
{
"containers": {
"adp": [
{
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{
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"id": "CVE-2025-10903",
"options": [
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],
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"version": "2.0.3"
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],
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"repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
"vendor": "GitLab",
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"version": "11.10",
"versionType": "semver"
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"version": "19.2",
"versionType": "semver"
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{
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"version": "19.3",
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}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Thanks [rafabd1](https://hackerone.com/rafabd1) for reporting this vulnerability through our HackerOne bug bounty program"
}
],
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"lang": "en",
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}
],
"metrics": [
{
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.5,
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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{
"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/571842"
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{
"url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-1-released/"
}
],
"solutions": [
{
"lang": "en",
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"dateReserved": "2025-09-24T00:33:27.922Z",
"dateUpdated": "2026-08-26T15:43:12.549Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-15387 (GCVE-0-2026-15387)
Vulnerability from cvelistv5 – Published: 2026-08-26 13:36 – Updated: 2026-08-26 15:40
VLAI
EPSS
VEX
Title
Acceptance of Extraneous Untrusted Data With Trusted Data in GitLab
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with developer-role permissions could have influenced the execution environment of Pipeline Execution Policy enforcement jobs, due to improper handling of job dependencies.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:40 UTC
CWE
- CWE-349 - Acceptance of Extraneous Untrusted Data With Trusted Data
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/work_items… | |
| https://hackerone.com/reports/3754358 | technical-descriptionexploitpermissions-required |
| https://docs.gitlab.com/releases/patches/patch-re… |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
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"id": "CVE-2026-15387",
"options": [
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},
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}
],
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"timestamp": "2026-08-26T15:40:37.265223Z",
"version": "2.0.3"
},
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},
"title": "CISA ADP Vulnrichment"
}
],
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"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
],
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"repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
"vendor": "GitLab",
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"version": "19.1",
"versionType": "semver"
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"version": "19.2",
"versionType": "semver"
},
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"version": "19.3",
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}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Thanks [3nvz](https://hackerone.com/3nvz) for reporting this vulnerability through our HackerOne bug bounty program"
}
],
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}
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"metrics": [
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"scope": "UNCHANGED",
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"dateUpdated": "2026-08-26T15:40:50.442Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-18252 (GCVE-0-2026-18252)
Vulnerability from cvelistv5 – Published: 2026-08-26 13:36 – Updated: 2026-08-26 15:39
VLAI
EPSS
VEX
Title
Inclusion of Functionality from Untrusted Control Sphere in GitLab
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 18.9 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with developer-role permissions could have executed arbitrary commands in a CI context, due to the Claude agent processing configuration from a user-controlled source.
Severity
7.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:39 UTC
CWE
- CWE-829 - Inclusion of Functionality from Untrusted Control Sphere
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/work_items… | |
| https://hackerone.com/reports/3863650 | technical-descriptionexploitpermissions-required |
| https://docs.gitlab.com/releases/patches/patch-re… |
Impacted products
{
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"id": "CVE-2026-18252",
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"timestamp": "2026-08-26T15:39:28.384404Z",
"version": "2.0.3"
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CVE-2026-3035 (GCVE-0-2026-3035)
Vulnerability from cvelistv5 – Published: 2026-08-26 13:36 – Updated: 2026-08-26 15:41
VLAI
EPSS
VEX
Title
Authentication Bypass Using an Alternate Path or Channel in GitLab
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 11.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with project Maintainer permissions could have accessed the terminal of a protected environment they were not authorized to use due to improper authorization checks.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:41 UTC
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://hackerone.com/reports/3529751 | technical-descriptionexploitpermissions-required |
| https://gitlab.com/gitlab-org/gitlab/-/work_items… | |
| https://docs.gitlab.com/releases/patches/patch-re… |
Impacted products
{
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"timestamp": "2026-08-26T15:41:36.331035Z",
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}
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CVE-2026-4398 (GCVE-0-2026-4398)
Vulnerability from cvelistv5 – Published: – Updated: 2026-04-08 22:19
VLAI
EPSS
VEX
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Show details on NVD website{
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CVE-2026-7487 (GCVE-0-2026-7487)
Vulnerability from cvelistv5 – Published: 2026-08-26 13:36 – Updated: 2026-08-26 15:41
VLAI
EPSS
VEX
Title
Access Control Check Implemented After Asset is Accessed in GitLab
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 13.1 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user with reporter-role permissions who authored a merge request could have reset merge request approval rules due to improper authorization checks.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:41 UTC
CWE
- CWE-1280 - Access Control Check Implemented After Asset is Accessed
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://gitlab.com/gitlab-org/gitlab/-/work_items… | |
| https://hackerone.com/reports/3669140 | technical-descriptionexploitpermissions-required |
| https://docs.gitlab.com/releases/patches/patch-re… |
Impacted products
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],
"credits": [
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"lang": "en",
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CVE-2026-77801 (GCVE-0-2026-77801)
Vulnerability from cvelistv5 – Published: 2026-08-26 13:35 – Updated: 2026-08-26 15:55
VLAI
EPSS
VEX
Title
Allocation of Resources Without Limits or Throttling in GitLab
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.8 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, could have allowed an authenticated user to cause a denial of service affecting background job processing, due to missing object count limits.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 15:55 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
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Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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