Description
A missing permission check in Jenkins EC2 Fleet Plugin 4.2.3.539.v8fedff2a_81c3 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing AWS credentials stored in Jenkins.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Jenkins Project | Jenkins EC2 Fleet Plugin | ≤ 4.2.3.539.v8fedff2a_81c3 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | com.amazon.jenkins.fleet:ec2-fleet | < 4.2.3.540.va | 4.2.3.540.va | GHSA-9v77-j4xv-34gq |
Advisories 1
- WID-SEC-2026-2074 Jenkins Plugins: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 26, 2026
References
- Jenkins Security Advisory 2026-06-24 vendor-advisory