CVE-2026-50634: CWE-347 Improper Verification of Cryptographic Signature in Apache Software Foundation Apache CXF
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.
AI Analysis
Technical Summary
The vulnerability in Apache CXF's JwsJsonContainerRequestFilter permits the processing of metadata that was not properly authenticated by the accepted cryptographic signature. This improper verification (CWE-347) can lead to bypassing the application's assumption that certain HTTP headers or content types are verified, which may influence downstream JAX-RS entity parsing or signed-header consistency checks. Upgrading to versions 4.2.2 or 4.1.7 addresses this issue.
Potential Impact
An attacker could exploit this vulnerability to cause Apache CXF to accept and process metadata that lacks a valid cryptographic signature. This undermines the trust model of signed HTTP headers or content types, potentially leading to incorrect application behavior based on unauthenticated data. No known exploits in the wild have been reported.
Mitigation Recommendations
Users should upgrade Apache CXF to version 4.2.2 or 4.1.7, where this vulnerability is fixed. Patch status is confirmed by the vendor advisory recommending these versions. No other mitigation or temporary fixes are indicated.
CVE-2026-50634: CWE-347 Improper Verification of Cryptographic Signature in Apache Software Foundation Apache CXF
Description
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
pkg:maven/Apache Software Foundation/org.apache.cxf:cxf-rt-rs-security-jose-jaxrsRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in Apache CXF's JwsJsonContainerRequestFilter permits the processing of metadata that was not properly authenticated by the accepted cryptographic signature. This improper verification (CWE-347) can lead to bypassing the application's assumption that certain HTTP headers or content types are verified, which may influence downstream JAX-RS entity parsing or signed-header consistency checks. Upgrading to versions 4.2.2 or 4.1.7 addresses this issue.
Potential Impact
An attacker could exploit this vulnerability to cause Apache CXF to accept and process metadata that lacks a valid cryptographic signature. This undermines the trust model of signed HTTP headers or content types, potentially leading to incorrect application behavior based on unauthenticated data. No known exploits in the wild have been reported.
Mitigation Recommendations
Users should upgrade Apache CXF to version 4.2.2 or 4.1.7, where this vulnerability is fixed. Patch status is confirmed by the vendor advisory recommending these versions. No other mitigation or temporary fixes are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-05T11:26:05.858Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2bd75fe617e2d83448c005
Added to database: 6/12/2026, 9:54:39 AM
Last enriched: 6/12/2026, 10:09:43 AM
Last updated: 6/12/2026, 12:20:16 PM
Views: 6
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