CVE-2026-82465 - pac4j-saml before 6.5.6 Session Destruction via Unsigned LogoutRequest
CVE ID :CVE-2026-82465
Published : Aug. 29, 2026, 5:17 p.m. | 1 hour, 13 minutes ago
Description :pac4j-saml before 6.5.6 does not require signature validation of SAML LogoutRequest messages in SAML2LogoutValidator.validateLogoutRequest(). When an IdP sends no SessionIndex, a session can be destroyed based solely on the NameID, allowing an unauthenticated attacker to submit an unsigned LogoutRequest with a guessed identifier (e.g., an email address used as NameID) to terminate a victim's SAML session.
Severity: 6.9 | MEDIUM
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Published : Aug. 29, 2026, 5:17 p.m. | 1 hour, 13 minutes ago
Description :pac4j-saml before 6.5.6 does not require signature validation of SAML LogoutRequest messages in SAML2LogoutValidator.validateLogoutRequest(). When an IdP sends no SessionIndex, a session can be destroyed based solely on the NameID, allowing an unauthenticated attacker to submit an unsigned LogoutRequest with a guessed identifier (e.g., an email address used as NameID) to terminate a victim's SAML session.
Severity: 6.9 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...