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
jenkins: mcp server
References2
- www.jenkins.io/security/advisory/2025-10-29/#SECURITY-3622 Vendor Advisory
- www.openwall.com/lists/oss-security/2025/10/29/2 Mailing ListThird Party Advisory
Metrics
- CVSS 3.1
-
5.4
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - EPSS — exploit probability
- 0% percentile: 18 · as of 10 November 2026
- CWE
- CWE-862
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