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.
History

Fri, 07 Aug 2026 10:30:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache cxf
Vendors & Products Apache
Apache cxf

Thu, 06 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 06 Aug 2026 11:15:00 +0000

Type Values Removed Values Added
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.
Title Apache CXF: Denial of service via message header attachments
Weaknesses CWE-400
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published: 2026-08-06T10:13:04.069Z

Updated: 2026-08-06T15:10:53.292Z

Reserved: 2026-07-21T08:59:30.596Z

Link: CVE-2026-64958

cve-icon Vulnrichment

Updated: 2026-08-06T15:10:48.199Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-06T11:16:30.350

Modified: 2026-08-06T18:40:24.890

Link: CVE-2026-64958

cve-icon Redhat

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