CVE-2025-64132: Medium severity Jenkins MCP Server Plugin vulnerability
Jenkins MCP Server Plugin 0.84.v50ca24ef83f2 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.
Other sources
Jenkins MCP Server Plugin 0.84.v50ca24ef83f2 and earlier does not perform permission checks in several MCP tools.
This allows to do the following:
- Attackers with Item/Read permission can obtain information about the configured SCM in a job despite lacking Item/Extended Read permission (getJobScm).
- Attackers with Item/Read permission can trigger new builds of a job despite lacking Item/Build permission (triggerBuild).
- Attackers without Overall/Read permission can retrieve the names of configured clouds (getStatus).
MCP Server Plugin 0.86.v7d3355e6aa18 performs permission checks for the affected MCP tools.
— GitHub
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
maven/io.jenkins.plugins:mcp-serverto a version that resolves this vulnerability.Fixed in 0.86.v7d3355e6a - Upgrade
Upgrade
Jenkins MCP Server Pluginto a version that resolves this vulnerability.Fixed in 0.86.v7d3355e6a_a_18
Event History
Frequently Asked Questions
What is the severity of CVE-2025-64132?
CVE-2025-64132 has been rated as a high severity vulnerability due to its potential impact on Jenkins MCP Server Plugin security.
How do I fix CVE-2025-64132?
To fix CVE-2025-64132, update Jenkins MCP Server Plugin to version 0.84.v50ca_24ef83f2 or later, which contains the necessary permission checks.
What are the potential risks of CVE-2025-64132?
The risks of CVE-2025-64132 include unauthorized triggering of builds and exposure of sensitive job and cloud configuration data.
Which versions of Jenkins MCP Server Plugin are affected by CVE-2025-64132?
Jenkins MCP Server Plugin versions up to and including 0.84.v50ca_24ef83f2 are affected by CVE-2025-64132.
What functionalities does CVE-2025-64132 impact in Jenkins MCP Server Plugin?
CVE-2025-64132 impacts multiple MCP tools by allowing attackers to bypass permission checks, leading to unauthorized access.