CVE-2026-88920

9.8 CRITICAL

Published 2026-09-30 · Updated 2026-10-02

AI risk analysis

Summary: This flaw allows unauthenticated attackers to forge authenticated SOAP messages by exploiting a vulnerability in the DOM security processor of Apache WSS4J, leading to potential unauthorized access and manipulation of sensitive data.
Exploitability: Exploitation is relatively easy given the unauthenticated nature and the specific crafted assertion required, making it a high-risk vulnerability.
Blast radius: If exploited, this could result in significant data breaches and unauthorized access to protected systems, impacting multiple users and services.
Detection: No reliable host or network indicator is derivable from the published description.
Prioritized remediation: Upgrade to Apache WSS4J version 4.0.2 or later to address this issue.

auth-bypasssoapweb-servicessecurity

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

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.

CVSS vector

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

Weaknesses

CWE-287

Vendors

apache

Products

wss4j

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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