CVE-2026-100227

Apache CXF: XML Signature wrapping in JAX-RS XML Security

State: Published
Severity: 7.5 High
Published: Oct 9, 2026
Updated: Oct 15, 2026
Reserved: Sep 25, 2026

Description

Improper Verification of Cryptographic Signature vulnerability in Apache CXF's JAX-RS XML Security module. The JAX-RS XML Signature interceptors (XmlSigInHandler, XmlSigInInterceptor and the streaming XmlSecInInterceptor) did not ensure that the XML passed to the application was covered by the signature. An attacker with any document signed by a trusted key could wrap it in unsigned content, which the application would then treat as signed. Users are recommended to upgrade to versions 4.2.4 or 4.1.9 or 3.6.13, which fix this issue.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	CISA-ADP

Weaknesses

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Affected Products

Product	Versions
Apache CXFApache Software Foundation	4.2.0 to before 4.2.4Affected 4.0.0 to before 4.1.9Affected before 3.6.13Affected

References

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