RCE in Ryuzakishinji Biome-mcp-server
CVE-2026-3680
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…
EPSS: 0.013 (80.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Ryuzakishinji Biome-mcp-server — versions 1.0
Weakness classification (CWE)
References
- VDB-349582 | RyuzakiShinji biome-mcp-server biome-mcp-server.ts command injection (vdb-entry)
- VDB-349582 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #765399 | RyuzakiShinji biome-mcp-server <=1.0.0 Command Injection (third-party-advisory)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (exploit)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-3680?
- CVE-2026-3680 is a medium-severity vulnerability in Ryuzakishinji Biome-mcp-server, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-03-07.
- How severe is CVE-2026-3680?
- Medium severity. CVSS v3 base score is 6.3 out of 10.