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.
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Fixes

Solution

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Workaround

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History

Wed, 30 Sep 2026 13:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-287

Wed, 30 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
References

Wed, 30 Sep 2026 12:00:00 +0000

Type Values Removed Values Added
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.
Title Apache WSS4J: SAML Sender-Vouches Authentication Bypass
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-09-30T12:12:22.214Z

Reserved: 2026-09-10T13:32:10.370Z

Link: CVE-2026-88920

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-30T12:17:14.203

Modified: 2026-09-30T13:17:21.483

Link: CVE-2026-88920

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T13:30:17Z

Weaknesses