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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.

PUBLISHED Reserved 2026-03-06 | Published 2026-03-07 | Updated 2026-03-07 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Command Injection

Injection

Product status

1.0
affected

Timeline

2026-03-06:Advisory disclosed
2026-03-06:VulDB entry created
2026-03-06:VulDB entry last update

Credits

Yinci Chen (VulDB User) reporter

References

vuldb.com/?id.349582 (VDB-349582 | RyuzakiShinji biome-mcp-server biome-mcp-server.ts command injection) vdb-entry

vuldb.com/?ctiid.349582 (VDB-349582 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.765399 (Submit #765399 | RyuzakiShinji biome-mcp-server <=1.0.0 Command Injection) third-party-advisory

github.com/RyuzakiShinji/biome-mcp-server/pull/1 issue-tracking patch

github.com/...5466715/biome-mcp-server_security_advisory.pdf exploit

github.com/...anges/335e1727147efeef011f1ff8b05dd751d8a660be issue-tracking patch

github.com/RyuzakiShinji/biome-mcp-server/ product

cve.org (CVE-2026-3680)

nvd.nist.gov (CVE-2026-3680)

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