Origin Validation Error Affecting org.pac4j:pac4j-saml package, versions [,6.5.6)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGPAC4J-19435184
- published31 Aug 2026
- disclosed29 Aug 2026
- creditUnknown
Introduced: 29 Aug 2026
NewCVE-2026-82465 (opens in a new tab)How to fix?
Upgrade org.pac4j:pac4j-saml to version 6.5.6 or higher.
Overview
org.pac4j:pac4j-saml is an is PAC4J package for the SAML Protocol.
Affected versions of this package are vulnerable to Origin Validation Error via the validateLogoutRequest function. An attacker can terminate a victim's session by submitting an unsigned LogoutRequest with a guessed identifier, such as an email address used as NameID, when the Identity Provider sends no SessionIndex.