Description
Jenkins MCP Server Plugin 0.84.v50ca_24ef83f2 and earlier does not perform permission checks in multiple MCP tools, allowing attackers to trigger builds and obtain information about job and cloud configuration they should not be able to access.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Jenkins Project | Jenkins MCP Server Plugin | ≤ 0.84.v50ca_24ef83f2 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | io.jenkins.plugins:mcp-server | < 0.86.v7d3355e6a | 0.86.v7d3355e6a | GHSA-mrpq-9jr3-rqq9 |
Advisories 1
- WID-SEC-2025-2443 Jenkins Plugins: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 29, 2025
References
- Jenkins Security Advisory 2025-10-29 vendor-advisory