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Keycloak EUVDEUVD-2026-85853

| CVE-2026-97311 MEDIUM
Missing Authorization (CWE-862)
2026-09-24 redhat GHSA-rc25-9gwp-h85r
4.3
CVSS 3.1 · Vendor: redhat
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Severity by source

Vendor (redhat) PRIMARY
4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
vuln.today AI
4.3 MEDIUM

Network-reachable Admin REST API (AV:N/AC:L), requires an authenticated but limited delegated admin (PR:L), read-only leak of group details only (C:L, I:N, A:N, S:U).

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Red Hat
4.3 MEDIUM
qualitative

Primary rating from Vendor (redhat).

CVSS VectorVendor: redhat

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

3
Metadata Corrected
Sep 24, 2026 - 12:40 vuln.today
tag: Keycloak added
Analysis Generated
Sep 24, 2026 - 12:01 vuln.today
CVE Published
Sep 24, 2026 - 11:28 cve.org
MEDIUM 4.3

DescriptionCVE.org

A flaw was found in the Admin REST API of Keycloak, an identity and access management solution. The endpoints used to retrieve groups associated with a specific role do not properly check for individual group visibility permissions. This allows a delegated administrator with basic search privileges to view detailed information about all groups assigned to a role, bypassing intended security restrictions that should limit their view to specific groups.

AnalysisAI

Information disclosure in the Keycloak Admin REST API lets an authenticated delegated administrator holding only basic group/role search privileges enumerate every group assigned to a given role, including groups they are supposed to be unable to see. The flaw (CWE-862, missing authorization) affects the Admin REST API endpoints that return role-to-group mappings in Keycloak, Red Hat Build of Keycloak, and Red Hat Single Sign-On 7, and is rated CVSS 3.1 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N) - a read-only confidentiality impact with no integrity or availability effect. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Requires an authenticated delegated administrator account with at least basic group/role search privileges on a Keycloak, Red Hat Build of Keycloak, or Red Hat SSO 7 instance whose administration model relies on per-group visibility restrictions to scope what delegated admins can see. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine but low-severity information-disclosure issue, not a top-priority fix. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch version is identified in the available advisory data - the Red Hat entry at https://access.redhat.com/security/cve/CVE-2026-97311 does not state a fixed build, so the primary action is to monitor that page and apply the corrected Red Hat Build of Keycloak or Red Hat Single Sign-On 7 release as soon as Red Hat publishes the errata, then restart the affected service. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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EUVD-2026-85853 vulnerability details – vuln.today

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