CVE-2026-82465: pac4j-saml before 6.5.6 Session Destruction via Unsigned LogoutRequest
Fixed in 6.5.6 · Affected: pac4j before 6.5.6 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 18% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- pac4j · pac4jbefore 6.5.6
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- pac4j
- Published
- August 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-82465 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.