๐Ÿ›ก๏ธ CVE-2026-34200
๐ŸŸ  CVSS 7.5 โ€” High โš ๏ธ Exploit Public CWE-306 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-306
Public Exploit โš ๏ธ Yes
Source NVD
Published 2026-03-31
Updated 2026-06-02
Modified 2026-04-07

Affected Packages

Software From version Fixed in
cli โ€” 1.41.0

Similar Threats

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