What is CVE-2026-50629?

CVE-2026-50629 is a medium-severity vulnerability in Apache Cxf, classified under CRLF Injection. CVSS score: 5.3/10. Published 2026-06-12.

How severe is CVE-2026-50629?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Apache Cxf

CVE-2026-50629

The 'clientId' parameter from incoming HTTP requests is directly concatenated into OAuth2 server log warning messages without sanitizing control characters. This allows an attacker to inject arbitrary content, including fake log entries, i…

Vulnerability class: CRLF Injection

EPSS: 0.005 (38.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Apache Cxf
Apache Software Foundation Cxf — versions 4.2.0, 0

Weakness classification (CWE)

CWE-93 — CRLF Injection

References

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

Frequently asked questions

What is CVE-2026-50629?: CVE-2026-50629 is a medium-severity vulnerability in Apache Cxf, classified under CRLF Injection. CVSS score: 5.3/10. Published 2026-06-12.
How severe is CVE-2026-50629?: Medium severity. CVSS v3 base score is 5.3 out of 10.