CVE-2025-64132 json
Jenkins MCP Server Plugin does not perform permission checks in multiple MCP tools
published 2025-10-29 12 mo ago modified 2026-10-08 32 d ago also GHSA-mrpq-9jr3-rqq9 , EUVD-2025-36651
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 18%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven io.jenkins.plugins:mcp-server 0.86.v7d3355e6a
- jenkins mcp_server 0.86.v7d3355e6a_a_18
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 12 mo ago
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
| GitHub | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | io.jenkins.plugins:mcp-server | <0.86.v7d3355e6a |
0.86.v7d3355e6a |
Affected products
- Jenkins Project Jenkins MCP Server Plugin
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
github.com
/jenkinsci/mcp-server-plugin/commit/59de6a268b4c6844a3a9c6c55a541de183e71a97
web
-
jenkins.io
/security/advisory/2025-10-29/#SECURITY-3622
vendor-advisory, web
-
openwall.com
/lists/oss-security/2025/10/29/2
web, mailing-list, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2025-64132
advisory
-
github.com
/jenkinsci/mcp-server-plugin
package
Sources
- CVE List CVE-2025-64132
- GitHub Advisory GHSA-mrpq-9jr3-rqq9
- NVD CVE-2025-64132
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