REDHAT-BUG-2543896: High severity Apache WSS4J vulnerability

Published Sep 30, 2026
·
Updated

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.

Affected Software

1 affected component
Apache WSS4J<4.0.2, <3.0.6, <2.4.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apache WSS4J to a version that resolves this vulnerability.

    Fixed in 4.0.2
  2. Upgrade

    Upgrade Apache WSS4J to a version that resolves this vulnerability.

    Fixed in 3.0.6
  3. Upgrade

    Upgrade Apache WSS4J to a version that resolves this vulnerability.

    Fixed in 2.4.4

Event History

Sep 30, 2026
Data Sourced
via Red Hat·12:02 PM
DescriptionSeverityAffected Software

Company

Resources

Contact

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info@secalerts.co
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