CVE-2026-67331 better-auth SCIM 1.5.0 before 1.7.0-beta.4 Authorization Bypass
HighCVSS 8.7
EPSS 0.39%
- Published
- Updated
- Exploit status
- No public exploit known
Description
better-auth SCIM versions from 1.5.0 before 1.7.0-beta.4 fail to bind non-organization SCIM providers to their creator by default, allowing authenticated users to manage other users' providers. Attackers can regenerate SCIM bearer tokens, invalidate legitimate tokens, and authenticate to SCIM API routes with the attacker-controlled token.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| better-auth @better-auth/scim | >= 1.5.0, < 1.7.0-beta.4 | 1.7.0-beta.4 |
References
- GitHub Security Advisory (GHSA-j8v8-g9cx-5qf4) exploit vendor-advisory
- VulnCheck Advisory: better-auth SCIM 1.5.0 before 1.7.0-beta.4 Authorization Bypass third-party-advisory