VetCoders mcp-server-semgrep 1.0.0 MCP Interface src/index.ts ID os command injection

Summaryinfo

A vulnerability identified as critical has been detected in VetCoders mcp-server-semgrep 1.0.0. This vulnerability affects the function analyze_results/filter_results/export_results/compare_results/scan_directory/create_rule of the file src/index.ts of the component MCP Interface. This manipulation of the argument ID causes os command injection. This vulnerability is tracked as CVE-2026-7446. The attack is possible to be carried out remotely. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in VetCoders mcp-server-semgrep 1.0.0. It has been declared as critical. Affected by this vulnerability is the function analyze_results/filter_results/export_results/compare_results/scan_directory/create_rule of the file src/index.ts of the component MCP Interface. The manipulation of the argument id with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-7446. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

Upgrading to version 1.0.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 141335da044e53c3f5b315e0386e01238405b771 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-26302). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Artificial Intelligence Software

Vendor

• VetCoders

Name

• mcp-server-semgrep

Version

• 1.0.0

License

• open-source

Website

• Product: https://github.com/VetCoders/mcp-server-semgrep/

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CPE 2.2info

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Accepted

• Submit #804100: VetCoders mcp-server-semgrep 1.0.0 Command Injection (by _Eternity_)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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