CVE-2025-64132

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-29 · updated 2026-10-08
Weakness: CWE-862

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 Project Jenkins MCP Server Plugin: before 0.86.v7d3355e6a_a_18 — fixed in 0.86.v7d3355e6a_a_18

How to fix

Upgrade to a fixed version: Jenkins Project Jenkins MCP Server Plugin 0.86.v7d3355e6a_a_18. Check the vendor advisory for mitigations.

References

https://www.jenkins.io/security/advisory/2025-10-29/#SECURITY-3622
http://www.openwall.com/lists/oss-security/2025/10/29/2

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