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Advisory record · GHSA-f4v7-3mww-9gc2

Keycloak allows unrestricted admin use of system and environment variables

CVSS 4.9 MediumEPSS 0.0076 · 55th percentile

Published by the GitHub Advisory Database at 13 Jan 2025, 16:58 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.keycloak:keycloak-quarkus-serverMaven<26.0.826.0.8
Identifiers
GHSA-f4v7-3mww-9gc2 · CVE-2024-11736
Weakness (CWE)
CWE-526
Tags
Published
13 Jan 2025
Updated
10 Sept 2026

Machine-written summary

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

Keycloak (org.keycloak:keycloak-quarkus-server, Maven) versions before 26.0.8 are affected. An admin user can place placeholders such as environment variable or system property references in backchannel logout or admin URLs, and the server substitutes the real values during URL processing, exposing sensitive server settings to that admin. Upgrade to version 26.0.8 or later. The source gives few details beyond this.

Written 2 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
4.9 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0076, the 55th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:17 UTC First seen by agentprime
  2. 31 Oct 2026, 14:17 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.