CVE-2025-64132: Jenkins MCP Server Plugin 0.84.v50ca_24ef83f2 and earlier does not perform permission checks in multiple MCP t

Q: How do I fix CVE-2025-64132?

mcp server: upgrade to 0.86.v7d3355e6a_a_18. Exact commands for each OS are on this page.

Q: Is CVE-2025-64132 being exploited?

CVE-2025-64132 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-64132 affect?

CVE-2025-64132 affects mcp server. Severity is medium (CVSS 5.4). 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 acc

Q: How urgent is CVE-2025-64132?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2025-64132 is a medium-severity flaw (CVSS 5.4) affecting mcp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-862
Published	2025-10-29
Last modified	2026-10-08

Publisher (CNA): Jenkins Project · Vendor: jenkins

Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-29 14:15 UTCPublished CVE record published
2026-10-08 11:10 UTCUpdated Record last modified

jenkins mcp server UPGRADE

Affected: < 0.86.v7d3355e6a_a_18

Fixed in: 0.86.v7d3355e6a_a_18

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mcp-server || rpm -q mcp-server || mcp-server --version

2. UPGRADE to 0.86.v7d3355e6a_a_18 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mcp-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mcp-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-64132?

mcp server: upgrade to 0.86.v7d3355e6a_a_18. Exact commands for each OS are on this page.

Is CVE-2025-64132 being exploited?

CVE-2025-64132 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-64132 affect?

CVE-2025-64132 affects mcp server. Severity is medium (CVSS 5.4). 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 acc

How urgent is CVE-2025-64132?

Priority 23/100. No elevated risk signals yet.

Software pages

Jenkins vulnerabilities

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References

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