CVE-2025-13881

Org.keycloak.services.resources.admin: keycloak: limited administrator can retrieve sensitive user attributes via admin api

CVSS 2.7 LOWEPSS 0.4%CWE-266

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 2.7EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

02 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A flaw was found in Keycloak Admin API. This vulnerability allows an administrator with limited privileges to retrieve sensitive custom attributes via the /unmanagedAttributes endpoint, bypassing User Profile visibility settings.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Affected products

Red Hat · Red Hat build of Keycloak 26.4 Red Hat · Red Hat build of Keycloak 26.4.9

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References

https://access.redhat.com/errata/RHSA-2026:2365 https://access.redhat.com/errata/RHSA-2026:2366 https://access.redhat.com/security/cve/CVE-2025-13881 https://bugzilla.redhat.com/show_bug.cgi?id=2418330