Severity: moderate Affected versions:
- Apache CXF (org.apache.cxf:cxf-core) 4.2.0 before 4.2.3 - Apache CXF (org.apache.cxf:cxf-core) 4.0.0 before 4.1.8 - Apache CXF (org.apache.cxf:cxf-core) before 3.6.12 Description: An incomplete fix for CVE-2026-50645 means that it is still possible to perform a denial of service attack on Apache CXF by sending a message with many attachment headers. Users are recommended to upgrade to versions 4.2.3 or 4.1.8 or 3.6.12, which fix this issue. Credit: Markus Vogl, RISE GmbH (finder) References: https://cxf.apache.org/ https://www.cve.org/CVERecord?id=CVE-2026-64958
