CVE-2026-47671 Details
Description
Nhost is an open source Firebase alternative with GraphQL. In versions of Nhost CLI prior to 1.46.0, the hidden `nhost configserver` used by `nhost dev` exposes the Mimir GraphQL API with dummy authorization directives and permissive CORS. When a developer is running the local development environment, any process that can reach the developer's localhost service, including a web page loaded from an arbitrary origin, can query the configserver for local Nhost configuration and secrets and can mutate the local `.secrets` file. This impacts developers using `nhost dev`: project admin secrets, JWT signing keys, webhook secrets, Grafana credentials, and custom environment variables can be read, and attacker-controlled secrets can be written to the local development project. Version 1.46.0 of Nhost CLI contains a fix.
A vulnerability in Nhost CLI's local development configserver exposes sensitive application secrets and configuration through a cross-origin request forgery (CORF) vulnerability. This issue affects Nhost CLI versions prior to 1.46.0. The local configserver, which is part of the development environment, is accessible from any process that can reach the developer's localhost, including web pages from arbitrary origins. The exposed GraphQL API, protected by ineffective authorization directives, allows unauthorized reading and writing of local Nhost secrets and configuration. As a result, project admin secrets, JWT signing keys, webhook secrets, Grafana credentials, and custom environment variables can be accessed or modified.
Users can update to Nhost CLI version 1.46.0 or later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 22, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/nhost/nhost/security/advisories/GHSA-64cj-qvx5-m4f3 | CISA-ADP | ExploitMitigationVendor Advisory |
| https://github.com/nhost/nhost/commit/e407511627d2c2c1137a70e9ca1ca31095d23479 | [email protected] | Patch |
| https://github.com/nhost/nhost/pull/4302 | [email protected] | Issue TrackingPatch |
| https://github.com/nhost/nhost/releases/tag/[email protected] | [email protected] | ProductRelease Notes |
| https://github.com/nhost/nhost/security/advisories/GHSA-64cj-qvx5-m4f3 | [email protected] | ExploitMitigationVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-306 | Missing Authentication for Critical Function | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| nhost cli | < 1.46.0 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 30, 2026 | Initial Analysis | [email protected] |
| Jul 22, 2026 | CVE Modified | CISA-ADP |
| Jul 21, 2026 | New CVE Received | [email protected] |