Improper Neutralization of Special Elements in Output Used by a Downstream Component in Apache CXF - CVE-2026-50633

 

Improper Neutralization of Special Elements in Output Used by a Downstream Component in Apache CXF - CVE-2026-50633

Published: August 25, 2026


Vulnerability identifier: #VU145230
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-50633
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to execute arbitrary code.

The vulnerability exists due to jndi injection in DispatchMDBMessageListenerImpl when processing a manipulated JCA deployment descriptor or runtime activation parameters. A remote user can modify the ra.xml deployment descriptor or activation parameters to execute arbitrary code.


Affected software

Apache CXF

How to mitigate CVE-2026-50633

Install security update from vendor's website.

Apache CXF - addressed in versions 4.1.7, 4.2.2

External References

Related Security Bulletins