CVE-2026-3680 Details
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.
A command injection vulnerability has been identified in RyuzakiShinji Biome-MCP-Server versions through 1.0.0. The issue arises in the file 'biome-mcp-server.ts', where user input is improperly handled, allowing for arbitrary command execution on the server. This vulnerability can be exploited remotely and has been publicly disclosed, with an available proof-of-concept exploit.
Users are advised to update to the patched version of Biome-MCP-Server, which is available on the project's GitHub repository.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Mar 7, 2026CISA-ADP
Assessed Mar 11, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/RyuzakiShinji/biome-mcp-server/ | [email protected] | ProductSource CodeVendor |
| https://github.com/RyuzakiShinji/biome-mcp-server/pull/1 | [email protected] | Issue TrackingVendor |
| https://github.com/RyuzakiShinji/biome-mcp-server/pull/1/changes/335e1727147efeef011f1ff8b05dd751d8a660be | [email protected] | Source CodeVendor |
| https://github.com/user-attachments/files/25466715/biome-mcp-server_security_advisory.pdf | [email protected] | AdvisoryExploitPartial Content |
| https://vuldb.com/?ctiid.349582 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/?id.349582 | [email protected] | AdvisoryExploitRemedy |
| https://vuldb.com/?submit.765399 | [email protected] | Technical Description |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | [email protected] |
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| RyuzakiShinji biome-mcp-server | All versions |
CPE
Remediation
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Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Mar 7, 2026 | New CVE Received | [email protected] |