CVE-2026-50645

CVE-2026-50645: Apache CXF: No restriction on attachment headers per message

Vendor Apache Software Foundation
Product Apache CXF
Weakness CWE-400
Published June 12, 2026
Last update June 12, 2026

CVSS base score

What the vulnerability does

Description

There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can lead to uncontrolled resource consumption or a denial of service attack. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fix this issue by imposing a maximum default of 500 attachments per message.

Key dates

Disclosure timeline

June 12, 2026 CVE published
June 12, 2026 Record updated