CVE-2026-64958

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.

Score

CVSS 3.1 7.5 High

Status

Analyzed - security@apache.org

Published

2026-08-06

Last modified

2026-10-24

Weaknesses

CWE-400

Affected products

• Cxf (Apache)
• Apache Cxf (Apache Software Foundation)

References

• https://lists.apache.org/thread/trsnkxc2f21585zlt819blvchgl6oykb