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Advisory record · GHSA-5rxp-2rhr-qwqv

Keycloak has session fixation in Elytron SAML adapters

CVSS 7.1 HighEPSS 0.0085 · 58th percentile

Published by the GitHub Advisory Database at 14 Oct 2024, 20:55 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.keycloak:keycloak-servicesMaven<22.0.12 || >=23.0.0, <24.0.7 || >=25.0.0, <25.0.522.0.12, 24.0.7, 25.0.5
Identifiers
GHSA-5rxp-2rhr-qwqv · BIT-keycloak-2024-7341 · CVE-2024-7341 · GHSA-j76j-rqwj-jmvv
Weakness (CWE)
CWE-384
Tags
Published
14 Oct 2024
Updated
26 Aug 2026

Machine-written summary

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

Keycloak's keycloak-services Maven package, versions below 22.0.12, from 23.0.0 before 24.0.7, and from 25.0.0 before 25.0.5, is affected. The session ID and JSESSIONID cookie are not changed at login in the SAML adapters, even when turnOffChangeSessionIdOnLogin is set. An attacker who can place a known session on a victim's browser before authentication may be able to take over that session after login; the source gives few further details. Upgrade to 22.0.12, 24.0.7, or 25.0.5 or later.

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
7.1 High 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0085, the 58th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 14 Oct 2024, 14:21 UTC Published by the maintainers as a GitHub repository advisory
  2. 31 Oct 2026, 14:19 UTC First seen by agentprime
  3. 31 Oct 2026, 14:19 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.