PatchTheCEVCVE-2026-34969: Nhost is an open source Firebase alternative with GraphQL
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HIGH 7.5REMOTEUPGRADE
CVE-2026-34969 is a high-severity flaw (CVSS 7.5) affecting nhost\/auth. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Publisher (CNA): GitHub, Inc. · Vendor: nhost
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
nhost nhost\/auth UPGRADE
Affected: < 0.48.0
Fixed in: 0.48.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy nhostauth || rpm -q nhostauth || nhostauth --version
2. UPGRADE to 0.48.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade nhostauth
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade nhostauth
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.