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Vulnerabilities CVE-2026-11986

CVE-2026-11986

Medium
Open
TLP:CLEAR

Keycloak-rest-admin-ui-ext: authorization bypass vulnerability in the admin-ui-ext bulk role-mapping-delete endpoints of keycloak

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Description

A flaw was found in the admin-ui-ext component of Keycloak, which provides extended administrative user interface capabilities. The issue occurs because certain bulk role-removal endpoints fail to perform granular permission checks when deleting role mappings. This allows a delegated administrator with limited permissions to remove highly privileged roles from other users or groups, potentially disrupting administrative access control.

Details

CVSS Score
4.9
EPSS Score
0.30%

22.5th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Confidence
90%
Published
Jun 11, 2026
Last Modified
Aug 5, 2026
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