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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Jenkins Project | Jenkins | — | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.jenkins-ci.main:cli | >= 2.529, < 2.541 | 2.541 | GHSA-9p56-p6mw-w8qc |
| Maven | org.jenkins-ci.main:cli | < 2.528.3 | 2.528.3 | GHSA-9p56-p6mw-w8qc |
| Maven | org.jenkins-ci.main:jenkins-core | >= 2.529, < 2.541 | 2.541 | GHSA-9p56-p6mw-w8qc |
| Maven | org.jenkins-ci.main:jenkins-core | < 2.528.3 | 2.528.3 | GHSA-9p56-p6mw-w8qc |
Advisories 2
- WID-SEC-2026-1194 Oracle Communications: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 21, 2026
- WID-SEC-2025-2819 Jenkins: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 10, 2025
References
- Jenkins Security Advisory 2025-12-10 vendor-advisory