What is CVE-2026-50645?

CVE-2026-50645 is a high-severity vulnerability in Apache Cxf, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-06-12.

How severe is CVE-2026-50645?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Apache Cxf

CVE-2026-50645

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 upgra…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (38.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apache Cxf
Apache Software Foundation Cxf — versions 4.2.0, 0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security@apache.org (vendor-advisory, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-50645?: CVE-2026-50645 is a high-severity vulnerability in Apache Cxf, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-06-12.
How severe is CVE-2026-50645?: High severity. CVSS v3 base score is 7.5 out of 10.