WID-SEC-W-2026-1708
Vulnerability from csaf_certbund - Published: 2026-05-27 22:00 - Updated: 2026-08-05 22:00Summary
Keycloak: Mehrere Schwachstellen
Severity
Mittel
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Keycloak ermöglicht Single Sign-On mit Identity and Access Management für moderne Anwendungen und Dienste.
Angriff: Ein Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um seine Privilegien zu erhöhen, um Informationen offenzulegen, um Sicherheitsvorkehrungen zu umgehen und um einen Denial of Service Angriff durchzuführen.
Betroffene Betriebssysteme: - Linux
- UNIX
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
Affected products
Known affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Open Source Keycloak <26.6.3
Open Source / Keycloak
|
<26.6.3 | ||
|
Open Source Keycloak <26.7.0
Open Source / Keycloak
|
<26.7.0 | ||
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
Open Source Keycloak
Open Source / Keycloak
|
cpe:/a:keycloak:keycloak:-
|
— |
References
27 references
{
"document": {
"aggregate_severity": {
"text": "mittel"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Keycloak erm\u00f6glicht Single Sign-On mit Identity and Access Management f\u00fcr moderne Anwendungen und Dienste.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um seine Privilegien zu erh\u00f6hen, um Informationen offenzulegen, um Sicherheitsvorkehrungen zu umgehen und um einen Denial of Service Angriff durchzuf\u00fchren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-1708 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1708.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-1708 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1708"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2481845 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481845"
},
{
"category": "external",
"summary": "Red Hat Customer Portal vom 2026-05-27",
"url": "https://access.redhat.com/security/cve/cve-2026-9689"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2481877 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481877"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2482458 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482458"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2482459 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482459"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2482460 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482460"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2482461 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482461"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2482462 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482462"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2482464 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482464"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2482470 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482470"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2482473 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482473"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2482467 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482467"
},
{
"category": "external",
"summary": "Red Hat Bugtracker 2482465 vom 2026-05-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482465"
},
{
"category": "external",
"summary": "Keycloak 26.6.3 release vom 2026-06-04",
"url": "https://www.keycloak.org/2026/06/keycloak-2663-released"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:25098 vom 2026-06-10",
"url": "https://access.redhat.com/errata/RHSA-2026:25098"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:25097 vom 2026-06-10",
"url": "https://access.redhat.com/errata/RHSA-2026:25097"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:30084 vom 2026-06-25",
"url": "https://access.redhat.com/errata/RHSA-2026:30084"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:30049 vom 2026-06-25",
"url": "https://access.redhat.com/errata/RHSA-2026:30049"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:30050 vom 2026-06-25",
"url": "https://access.redhat.com/errata/RHSA-2026:30050"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:30083 vom 2026-06-25",
"url": "https://access.redhat.com/errata/RHSA-2026:30083"
},
{
"category": "external",
"summary": "Keycloak 26.7.0 release vom 2026-07-09",
"url": "https://www.keycloak.org/2026/07/keycloak-2670-released"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50848 vom 2026-08-05",
"url": "https://access.redhat.com/errata/RHSA-2026:50848"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50846 vom 2026-08-05",
"url": "https://access.redhat.com/errata/RHSA-2026:50846"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50849 vom 2026-08-05",
"url": "https://access.redhat.com/errata/RHSA-2026:50849"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2026:50847 vom 2026-08-05",
"url": "https://access.redhat.com/errata/RHSA-2026:50847"
}
],
"source_lang": "en-US",
"title": "Keycloak: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-08-05T22:00:00.000+00:00",
"generator": {
"date": "2026-08-06T09:44:03.706+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-1708",
"initial_release_date": "2026-05-27T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-05-27T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2026-06-04T22:00:00.000+00:00",
"number": "2",
"summary": "Neue Updates aufgenommen"
},
{
"date": "2026-06-10T22:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-06-25T22:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Red Hat aufgenommen"
},
{
"date": "2026-07-08T22:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates aufgenommen"
},
{
"date": "2026-08-05T22:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Red Hat aufgenommen"
}
],
"status": "final",
"version": "6"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Open Source Keycloak",
"product": {
"name": "Open Source Keycloak",
"product_id": "T054816",
"product_identification_helper": {
"cpe": "cpe:/a:keycloak:keycloak:-"
}
}
},
{
"category": "product_version_range",
"name": "\u003c26.6.3",
"product": {
"name": "Open Source Keycloak \u003c26.6.3",
"product_id": "T054992"
}
},
{
"category": "product_version",
"name": "26.6.3",
"product": {
"name": "Open Source Keycloak 26.6.3",
"product_id": "T054992-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:keycloak:keycloak:26.6.3"
}
}
},
{
"category": "product_version_range",
"name": "\u003c26.7.0",
"product": {
"name": "Open Source Keycloak \u003c26.7.0",
"product_id": "T056324"
}
},
{
"category": "product_version",
"name": "26.7.0",
"product": {
"name": "Open Source Keycloak 26.7.0",
"product_id": "T056324-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:keycloak:keycloak:26.7.0"
}
}
}
],
"category": "product_name",
"name": "Keycloak"
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-9689",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9689"
},
{
"cve": "CVE-2026-9704",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9704"
},
{
"cve": "CVE-2026-9791",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9791"
},
{
"cve": "CVE-2026-9792",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9792"
},
{
"cve": "CVE-2026-9793",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9793"
},
{
"cve": "CVE-2026-9794",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9794"
},
{
"cve": "CVE-2026-9795",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9795"
},
{
"cve": "CVE-2026-9796",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9796"
},
{
"cve": "CVE-2026-9798",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9798"
},
{
"cve": "CVE-2026-9801",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9801"
},
{
"cve": "CVE-2026-9802",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9802"
},
{
"cve": "CVE-2026-9803",
"product_status": {
"known_affected": [
"T054992",
"T056324",
"67646",
"T054816"
]
},
"release_date": "2026-05-27T22:00:00.000+00:00",
"title": "CVE-2026-9803"
}
]
}
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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.
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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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