CVE-2025-67635
HIGH7.5EPSS 0.18%Jenkins has a Denial of service vulnerability in HTTP-based CLI
Published: 12/10/2025Modified: 2/4/2026
Description
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.
Affected packages (3)
- Bitnami/jenkinsfrom 0, < 2.528.3, >= 2.529.0, < 2.541.0
- Maven/org.jenkins-ci.main:cli>= 2.529, < 2.541
- Maven/org.jenkins-ci.main:jenkins-core>= 2.529, < 2.541
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-67635
- PATCHhttps://github.com/jenkinsci/jenkins
- WEBhttps://fluidattacks.com/blog/unauth-dos-in-jenkins-cli
- WEBhttps://github.com/jenkinsci/jenkins/commit/efa1816322026f2b9235a27eee814bcc7ba0a764
- WEBhttps://www.jenkins.io/security/advisory/2025-12-10/#SECURITY-3630