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Code Runner MCP Server

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Exploited (KEV)0None in CISA KEV
CVSS critical0CVSS 9.0–10.0
CVSS high1CVSS 7.0–8.9

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Code Runner MCP Server records in CISA KEV

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1 record

TI-2026-04387 CVE-2026-5029 · GHSA-jv4w-6p47-rhcx

RCE in Code Runner MCP Server

Priority LOW 39

A remote code execution vulnerability exists in Code Runner MCP Server when run with the --transport http option, which exposes the /mcp JSON-RPC endpoint without authentication on port 3088.

CVSS 4.0HIGH 8.7 Adjacent network No auth No interaction EPSS 0.00291 Published 2026-05-12 No fix listed CWE-306
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