jenkinsci/mcp-server-plugin · Security
Jenkins MCP Server Plugin missing a permission check
- GHSA ID
- GHSA-mpff-xhg4-vr45
- CVE ID
- CVE-2026-57300
- Severity
- medium
- Published
- Updated
- CVSS
- 4.3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CVSS v3
- 4.3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Description
Jenkins MCP Server Plugin 0.177.v629fdb_2557fe and earlier does not perform a permission check in the getReplayScripts MCP tool that returns the replay script of a Pipeline build.
This allows attackers with Item/Read permission to obtain the Pipeline script of jobs.
MCP Server Plugin 0.178.vffe5a_e770f3b_ requires Item/Extended Read permission to return the replay script of a Pipeline build through the getReplayScripts MCP tool.
CWEs
- CWE-862 · Missing Authorization
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-57300 ↗
- https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3759 ↗
- https://github.com/jenkinsci/mcp-server-plugin/commit/ffe5ae770f3bd7e88c99aea3018263af0b2f9cc4 ↗
- https://github.com/jenkinsci/mcp-server-plugin/releases/tag/0.178.vffe5a_e770f3b_ ↗
- https://github.com/advisories/GHSA-mpff-xhg4-vr45 ↗