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Advisory record · GHSA-895x-rfqp-jh5c

Keycloak does not invalidate offline sessions when the offline_access scope is removed

CVSS 5.4 MediumEPSS 0.0031 · 23rd percentile

Published by the GitHub Advisory Database at 23 Oct 2025, 15:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.keycloak:keycloak-servicesMaven<26.2.326.2.3
Identifiers
GHSA-895x-rfqp-jh5c · CVE-2025-12110
Weakness (CWE)
CWE-613
Tags
Published
23 Oct 2025
Updated
17 Feb 2026

Machine-written summary

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

Keycloak (org.keycloak:keycloak-services, Maven) versions before 26.2.3 are affected. When the offline_access scope is removed from a client, existing offline sessions remain valid, so refresh tokens are still accepted and new tokens can be requested. An attacker holding such a refresh token could keep obtaining tokens after an administrator believed offline access had been revoked. Upgrade to version 26.2.3 or later. The source gives no workaround.

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
5.4 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0031, the 23rd percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:21 UTC First seen by agentprime
  2. 31 Oct 2026, 14:21 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.