high7.5
CVE-2025-67635
Jenkins has a Denial of service vulnerability in HTTP-based CLI
Impact
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
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.main:jenkins-core | >= 2.529, < 2.541 | 2.541 |
| maven | org.jenkins-ci.main:cli | >= 2.529, < 2.541 | 2.541 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Jenkins | Jenkins | before 2.528.3 before 2.541 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://www.jenkins.io/security/advisory/2025-12-10/#SECURITY-3630
- https://github.com/advisories/GHSA-9p56-p6mw-w8qc
- https://nvd.nist.gov/vuln/detail/CVE-2025-67635
- https://github.com/jenkinsci/jenkins/commit/efa1816322026f2b9235a27eee814bcc7ba0a764
- https://fluidattacks.com/blog/unauth-dos-in-jenkins-cli