CyberSecBulletin

Nhost vulnerabilities

We track 3 vulnerabilities in Nhost products across 3 products. 3 are rated high or critical, and none are known to be exploited. The most recent was published on May 8, 2026.

3vulnerabilities
1critical
2high
0exploited
8.3average CVSS score

Latest Nhost vulnerabilities

  • 9.8 Critical severity

    nhost: Improper Authentication

    CVE-2026-41574Nhost

    Nhost is an open source Firebase alternative with GraphQL. Prior to version 0.49.1, Nhost automatically links an incoming OAuth identity to an existing Nhost account when the email addresses match. This is only safe when the email has been verified by the OAut

  • 7.5 High severity

    nhost: Exposure of Sensitive Information to an Unauthorized Actor

    CVE-2026-34969Nhost

    Nhost is an open source Firebase alternative with GraphQL. Prior to 0.48.0, the auth service's OAuth provider callback flow places the refresh token directly into the redirect URL as a query parameter. Refresh tokens in URLs are logged in browser history, serv

  • 7.5 High severity

    nhost: Missing Authentication for Critical Functionality

    CVE-2026-34200Nhost

    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 we