Description
Jenkins Script Security Plugin 1415.v9a_f9b_3a_c253d and earlier downloads a JAR file specified by URL twice, confirming the approval of the first download and loading the classpath entries from the second, allowing attackers able to define classpath entries to execute arbitrary code in the context of the Jenkins controller JVM.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Jenkins Project | Jenkins Script Security Plugin | ≤ 1415.v9a_f9b_3a_c253d | — |
Advisories 1
- WID-SEC-2026-3428 Jenkins Plugins: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 21, 2026
References
- Jenkins Security Advisory 2026-09-16 vendor-advisory