CVE-2026-107124 | BDVDB-2026-401070 Detail

Description#

A flaw was found in the OIDC logout endpoint of the keycloak-services component, which handles user session termination in Red Hat Build of Keycloak. The issue occurs because the system sets a session cookie based on an unvalidated token hint before completing security checks. An attacker can use this flaw to fix a session ID in a victim's browser, allowing them to hijack the victim's subsequent login and gain full control over their account.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12026-11-06Record published in the CVE List.
2. Version 22026-11-10Most recent update recorded in the CVE List.