medium4.3
CVE-2026-57300
A missing permission check in Jenkins MCP Server Plugin 0.177.v629fdb_2557fe and earlier allows attackers with Item/Read permission to read the Pipeline replay…
Impact
A missing permission check in Jenkins MCP Server Plugin 0.177.v629fdb_2557fe and earlier allows attackers with Item/Read permission to read the Pipeline replay scripts of jobs they can access.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | io.jenkins.plugins:mcp-server | < 0.178.vffe5a | 0.178.vffe5a |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Jenkins | Mcp Server | through 0.177.v629fdb_2557fe |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-mpff-xhg4-vr45
- 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_