What is CVE-2025-67635?

CVE-2025-67635 is a high-severity vulnerability in Jenkins, classified under Improper Resource Shutdown or Release. CVSS score: 7.5/10. Published 2025-12-10.

How severe is CVE-2025-67635?

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

Vulnerability in Jenkins

CVE-2025-67635

Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not properly close HTTP-based CLI connections when the connection stream becomes corrupted, allowing unauthenticated attackers to cause a denial of service.

EPSS: 0.005 (39.4th 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

Jenkins
Jenkins Project — versions 2.541, 2.528.3

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

References

jenkinsci-cert@googlegroups.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-67635?: CVE-2025-67635 is a high-severity vulnerability in Jenkins, classified under Improper Resource Shutdown or Release. CVSS score: 7.5/10. Published 2025-12-10.
How severe is CVE-2025-67635?: High severity. CVSS v3 base score is 7.5 out of 10.