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5.4 Medium

CVE-2025-11429 A flaw was found in Keycloak

Description

A flaw was found in Keycloak. Keycloak does not immediately enforce the disabling of the "Remember Me" realm setting on existing user sessions. Sessions created while "Remember Me" was active retain their extended session lifetime until they expire, overriding the administrator's recent security configuration change. This is a logic flaw in session management increases the potential window for successful session hijacking or unauthorized long-term access persistence. The flaw lies in the session expiration logic relying on the session-local "remember-me" flag without validating the current realm-level configuration.

Affected products and versions

Product Affected versions Fixed in
keycloak 26.4 earliest → < 26.4.1 26.4.1
Red Hat build of Keycloak 26.2 26.2 earliest → < 26.2-12 26.2-12
Red Hat build of Keycloak 26.2.11 Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of keycloak

The 15 CVEs of keycloak →
CVE-2026-90997 A flaw was found in Keycloak 7.4 High CVE-2026-1609 A flaw was found in Keycloak 8.1 High CVE-2025-12150 A flaw was found in Keycloak’s WebAuthn registration component 3.1 Low CVE-2025-13467 A flaw was found in the Keycloak LDAP User Federation provider 5.5 Medium
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