Medium

Apache CXF: WS JSON request filter trusts metadata from an unvalidated first signature entry

  • Disclosed: 12.06.2026
  • Updated: 11.10.2026 12:22

A vulnerability in Apache CXF's JwsJsonContainerRequestFilter can be exploited to cause CXF to process metadata that was not authenticated by the accepted signature. This can bypass the application's assumption

that accepted Content-Type or protected HTTP-header metadata came from a verified signature entry, and may steer downstream JAX-RS entity parsing or signed-header consistency checks. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fix this issue.

Affected software

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PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.apache.cxf:cxf-rt-rs-security-jose-jaxrs >= 4.2.0, < 4.2.2, < 4.1.7 4.2.2, 4.1.7

References

CVSS score 6.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE)
CWE-347
Platform
Java / Kotlin (Maven)
Package
org.apache.cxf:cxf-rt-rs-security-jose-jaxrs
Disclosed
12.06.2026
Updated
11.10.2026 12:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-33j8-j763-4fv5 - CC BY 4.0

Vulnerability history: org.apache.cxf:cxf-rt-rs-security-jose-jaxrs

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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