CVE-2026-64958

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache CXF4.2.0 < 4.2.3affected
Apache Software FoundationApache CXF4.0.0 < 4.1.8affected
Apache Software FoundationApache CXF0 < 3.6.12affected

Weaknesses

  • CWE-400: CWE-400 Uncontrolled Resource Consumption

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References