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Description

A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the installation is using a proxy. The issue occurs at least via ha-proxy, as it can be tricked to using relative/non-normalized paths to access the /admin application path relative to /realms which is expected to be exposed.

PUBLISHED Reserved 2025-09-25 | Published 2025-10-28 | Updated 2025-11-13 | Assigner redhat




LOW: 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Problem types

Uncontrolled Search Path Element

Product status

Default status
affected

26.4.4-1 (rpm) before *
unaffected

Default status
affected

26.4-3 (rpm) before *
unaffected

Default status
affected

26.4-3 (rpm) before *
unaffected

Default status
unaffected

Timeline

2025-09-25:Reported to Red Hat.
2025-10-27:Made public.

Credits

Red Hat would like to thank Sebastian Reigber (AEB) for reporting this issue.

References

access.redhat.com/errata/RHSA-2025:21370 (RHSA-2025:21370) vendor-advisory

access.redhat.com/errata/RHSA-2025:21371 (RHSA-2025:21371) vendor-advisory

access.redhat.com/security/cve/CVE-2025-10939 vdb-entry

bugzilla.redhat.com/show_bug.cgi?id=2398025 (RHBZ#2398025) issue-tracking

cve.org (CVE-2025-10939)

nvd.nist.gov (CVE-2025-10939)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.