Vulnerability · Published Apr 6, 2026 · Assigned by VulDB

CVE-2026-5621ChrisChinchilla Vale-MCP HTTP index.ts os command injection

Medium 5.3

In plain English

A medium-severity OS command injection in Vale-MCP from ChrisChinchilla. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 64% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)1.1%top 35.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in ChrisChinchilla Vale-MCP up to 0.1.0. Affected by this vulnerability is an unknown functionality of the file src/index.ts of the component HTTP Interface. The manipulation of the argument config_path results in os command injection. Attacking locally is a requirement. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
ChrisChinchilla	Vale-MCP	0.1.0

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-355411 | ChrisChinchilla Vale-MCP HTTP index.ts os command injection vdb-entry, technical-description
VDB-355411 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #785591 | ChrisChinchilla Vale-MCP 0.1.0 Command Injection third-party-advisory
https://github.com/wing3e/public_exp/issues/27 exploit, issue-tracking