Resource exhaustion in Apache CXF - CVE-2026-50645
Published: July 2, 2026
Vulnerability identifier: #VU136712
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-50645
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Apache CXF
Apache CXF
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to there is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
How to mitigate CVE-2026-50645
Install updates from vendor's website.