CVE-2026-3680

RyuzakiShinji biome-mcp-server biome-mcp-server.ts command injection

State: Published
Severity: 5.3 Medium
Published: Mar 7, 2026
Updated: Mar 11, 2026
Reserved: Mar 6, 2026

Description

A security flaw has been discovered in RyuzakiShinji biome-mcp-server up to 1.0.0. Affected by this issue is some unknown functionality of the file biome-mcp-server.ts. Performing a manipulation results in command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The patch is named 335e1727147efeef011f1ff8b05dd751d8a660be. Applying a patch is the recommended action to fix this issue.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-77 Command Injection
CWE-74 Injection

Affected Products

Product	Versions
biome-mcp-serverRyuzakiShinji	1.0Affected

References

VDB-349582 | RyuzakiShinji biome-mcp-server biome-mcp-server.ts command injectionvdb-entry
VDB-349582 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #765399 | RyuzakiShinji biome-mcp-server <=1.0.0 Command Injectionthird-party-advisory
https://github.com/RyuzakiShinji/biome-mcp-server/pull/1issue-trackingpatch
https://github.com/user-attachments/files/25466715/biome-mcp-server_security_advisory.pdfexploit
https://github.com/RyuzakiShinji/biome-mcp-server/pull/1/changes/335e1727147efeef011f1ff8b05dd751d8a660beissue-trackingpatch
https://github.com/RyuzakiShinji/biome-mcp-server/product

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