CVE-2026-15556
HIGH
NVD
CVSS Score
8.1
Severity
HIGH
Published
Aug 11, 2026
Vendor
unknown
Description
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.