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CVE-2026-34200

HIGH

7.5

Descripcion

Nhost is an open source Firebase alternative with GraphQL. Prior to version 1.41.0, The Nhost CLI MCP server, when explicitly configured to listen on a network port, applies no inbound authentication and does not enforce strict CORS. This allows a malicious website visited on the same machine to issue cross-origin requests to the MCP server and invoke privileged tools using the developer's locally configured credentials. This vulnerability requires two explicit, non-default configuration steps to be exploitable. The default nhost mcp start configuration is not affected. This issue has been patched in version 1.41.0.

Detalles CVE

Puntuacion CVSS v3.17.5

SeveridadHIGH

Vector CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadHIGH

Privilegios requeridosNONE

Interaccion usuarioREQUIRED

Publicado3/31/2026

Ultima modificacion4/7/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

nhost:cli

Debilidades (CWE)

CWE-306CWE-942CWE-306

Referencias

https://github.com/nhost/nhost/commit/15eae9285f9dce63e184b9bb24616474ffa5ccc9(security-advisories@github.com)

https://github.com/nhost/nhost/pull/4060(security-advisories@github.com)

https://github.com/nhost/nhost/security/advisories/GHSA-6c5x-3h35-vvw2(security-advisories@github.com)

https://github.com/nhost/nhost/security/advisories/GHSA-6c5x-3h35-vvw2(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

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