VULNERABILITY INTELLIGENCE
CVE-2026-15556
CVSS score8.1 HIGH
EPSS probability0.30%
CISA KEVNot currently listed
Published2026-08-11
Last modified2026-11-01
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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.
Weakness classification
- secalert@redhat.com: CWE-347