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CVE-2025-69256

26
FAUCET Score

CVE-2025-69256 describes a command injection vulnerability in the Serverless Framework's experimental MCP server feature, affecting versions 4.29.0 through 4.29.2. This flaw, caused by unsanitized input in child_process.exec calls, allows remote code execution by injecting arbitrary system commands. Rated 7.5 HIGH on CVSS, exploitation requires user interaction and can lead to high impact on confidentiality, integrity, and availability. While the FAUCET Risk Score is 85/100, the vulnerability affects less than 0.1% of users, and there is currently no public exploit code, active exploitation, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.29.0, < 4.29.3CPE matchmatch criteria
cpe:2.3:a:serverless:serverless:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
78.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 52nd percentile among its peer group of 1,572 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.4 Bluesky, 0.2 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.6 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: serverlessFixed in: 4.29.3

Vendor Advisories (1)

npmGHSA-rwc2-f344-q6w6high

serverless MCP Server vulnerable to Command Injection in list-projects tool

Dec 31, 2025

References

github.com / serverless/serverless/blob/6213453da7df375aaf12fb3522ab8870488fc59a/packages/mcp/src/tools/list-projects.js
Product
github.com / serverless/serverless/commit/681ca039550c7169369f98780c6301a00f2dc4c4
Patch
github.com / serverless/serverless/releases/tag/sf-core%404.29.3
Release Notes
github.com / serverless/serverless/security/advisories/GHSA-rwc2-f344-q6w6
ExploitMitigationVendor Advisory