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Advisory record · GHSA-7xf9-4jfc-wgm4

Keycloak: manage-clients permission escalates to full realm admin access

CVSS 6.5 MediumEPSS 0.0049 · 42nd percentile

Published by the GitHub Advisory Database at 26 Mar 2026, 21:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.keycloak:keycloak-servicesMaven<26.5.626.5.6
Identifiers
GHSA-7xf9-4jfc-wgm4 · CVE-2026-3121
Weakness (CWE)
CWE-266
Tags
Published
26 Mar 2026
Updated
6 Apr 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Keycloak (org.keycloak:keycloak-services) versions before 26.5.6 are affected. An administrator who holds the manage-clients permission can escalate privileges to gain control over roles, users, and other administrative functions in the realm when admin permissions are enabled at the realm level. Upgrade to version 26.5.6 or later.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.5 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0049, the 42nd percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:20 UTC First seen by agentprime
  2. 31 Oct 2026, 14:20 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.