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Description

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.

PUBLISHED Reserved 2025-12-02 | Published 2026-02-02 | Updated 2026-02-10 | Assigner redhat




LOW: 2.7CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Problem types

Incorrect Privilege Assignment

Product status

Default status
affected

26.4.9-1 (rpm) before *
unaffected

Default status
affected

26.4-11 (rpm) before *
unaffected

Default status
affected

26.4-10 (rpm) before *
unaffected

Default status
unaffected

Timeline

2025-12-02:Reported to Red Hat.
2026-01-27:Made public.

Credits

Red Hat would like to thank Simone Paganessi for reporting this issue.

References

access.redhat.com/errata/RHSA-2026:2365 (RHSA-2026:2365) vendor-advisory

access.redhat.com/errata/RHSA-2026:2366 (RHSA-2026:2366) vendor-advisory

access.redhat.com/security/cve/CVE-2025-13881 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2418330 (RHBZ#2418330) issue-tracking

cve.org (CVE-2025-13881)

nvd.nist.gov (CVE-2025-13881)

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