🛡️ CVE-2026-34969
🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-200 NVD
7.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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, server access logs, HTTP Referer headers, and proxy/CDN logs. Note that the refresh token is one-time use and all of these leak vectors are on owned infrastructure or services integrated by the application developer. This vulnerability is fixed in 0.48.0.

Details

Severity LOW
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-200
Public Exploit ✅ No
Source NVD
Published 2026-04-01
Updated 2026-06-02
Modified 2026-05-05
Fix URL N/A

Affected Packages

Software From version Fixed in
github.com/nhost/nhost — —
nhost\/auth — 0.48.0

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