CVE-2026-15556 HIGH

CVE-2026-15556: Picketlink-federation: picketlink saml 2.0 auth bypass via missing assertions

Vendor Red Hat
Product Red Hat JBoss Enterprise Application Platform 7
Weakness CWE-347
Published August 11, 2026
Last update August 11, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 11, 2026 CVE published
August 11, 2026 Record updated

Related vulnerabilities

04Related CVE