Vulnerability Details CVE-2026-88920
An authentication bypass in the DOM security processor in Apache WSS4J allows unauthenticated remote attackers to forge authenticated SOAP messages via a crafted unsigned SAML sender-vouches assertion containing an attacker-controlled key.
Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.
Exploit prediction scoring system (EPSS) score
CVSS Severity
CVSS v3 Score 9.8