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CVE-2025-66401

33
FAUCET Score

CVE-2025-66401 is a critical command injection vulnerability (CVSS 9.8) affecting MCP Watch versions 0.1.2 and earlier. An attacker can exploit the unsanitized githubUrl argument in the cloneRepo method to execute arbitrary commands on the host machine. This remote, low-complexity attack allows for complete compromise of confidentiality, integrity, and availability. While not currently listed in CISA KEV or having public exploit intelligence, the vulnerability has garnered community discussion, indicating awareness.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.1.2CPE matchmatch criteria
cpe:2.3:a:kapilduraphe:mcp_watch:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.05%
Probability of exploitation in next 30 days
EPSS Percentile
79.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0205 is in the 68th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

npmGHSA-27m7-ffhq-jqrmcritical

MCP Watch has a Critical Command Injection in cloneRepo allows Remote Code Execution (RCE) via malicious URL

Dec 2, 2025

References

github.com / kapilduraphe/mcp-watch/commit/e7da78c5b4b960f8b66c254059ad9ebc544a91a6
Patch
github.com / kapilduraphe/mcp-watch/security/advisories/GHSA-27m7-ffhq-jqrm
ExploitVendor Advisory