CVE-2026-1190 | BDVDB-2026-312436 Detail

Description#

A flaw was found in Keycloak's SAML brokering functionality. When Keycloak is configured as a client in a Security Assertion Markup Language (SAML) setup, it fails to validate the `NotOnOrAfter` timestamp within the `SubjectConfirmationData`. This allows an attacker to delay the expiration of SAML responses, potentially extending the time a response is considered valid and leading to unexpected session durations or resource consumption.

Impact#

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Exploit#

History#

1. Version 12026-01-26Record published in the CVE List.
2. Version 22026-03-06Most recent update recorded in the CVE List.