CVE-2026-79538EPSS p35.6%
CVE-2026-79538CVE-2026-79538
Description
metatool-ai MetaMCP up to and including 2.4.22 is vulnerable to Code Execution in the internal MCP inspector proxy endpoint GET /mcp-proxy/server/stdio (createTransport, STDIO branch, routers/mcp-proxy/server.ts).
Scoring
| CVSS | 9.8 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.43% probability of exploitation · percentile 35.6% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-29 |