HIGH 8.1 NVD
CVE-2026-15556
A flaw was found in Picketlink's SP signature validation; a SAML response containing zero assertion elements matching the signature check can allow an attacker
A flaw was found in Picketlink's SP signature validation; a SAML response containing zero assertion elements matching the signature check can allow an attacker to forge a SAML response and auth as any principal with any roles on the protected application.
References
- https://access.redhat.com/security/cve/CVE-2026-15556
- https://bugzilla.redhat.com/show_bug.cgi?id=2483121
This high severity vulnerability with a CVSS score of 8.1 was published on 2026-08-11 via NVD.
vulnfeed aggregates 9850 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.