VIR Vulnerability Intelligence Relay

CVE-2026-41427

medium
Published 2026-04-24 · Modified 2026-05-05
CVSS v3
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v2
—
VIR risk
6.5

Description

OAuth 2.1 Provider: Unprivileged users can register OAuth clients

Predictions

Exploit likelihood
75%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/better-auth/better-auth/security/advisories/GHSA-xr8f-h2gw-9xh6

Package impact
EcosystemPackageVulnerableFixed
npm npm@better-auth/oauth-provider>=1.4.8-beta.7,<1.6.51.6.5
npm npm@better-auth/oauth-provider>=1.7.0-beta.0,<=1.7.0-beta.1

Application impact
VendorProductVersionsFixed
better-authbetter-auth\/oauth-provider{"startIncluding":"1.4.9","endExcluding":"1.6.5"}1.6.5
better-authbetter-auth\/oauth-provider1.4.8
better-authbetter-auth\/oauth-provider1.7.0

References

CWEs

CWE-863

Verify integrity in audit chain (admin only). AS-IS.