Jenkins has a Denial of service vulnerability in HTTP-based CLI
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-67635US | — | — | ||
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 attacke… | ||||
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references
External citations — patches, advisories, analysis.
- https://fluidattacks.com/blog/unauth-dos-in-jenkins-cliWEB
- https://github.com/jenkinsci/jenkinsPACKAGE
- https://github.com/jenkinsci/jenkins/commit/efa1816322026f2b9235a27eee814bcc7ba0a764WEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-67635ADVISORY
- https://www.jenkins.io/security/advisory/2025-12-10/#SECURITY-3630WEB
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