CVE-2026-67331better-auth SCIM 1.5.0 before 1.7.0-beta.4 Authorization Bypass

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• GitHub Security Advisory (GHSA-j8v8-g9cx-5qf4) vendor-advisory
• VulnCheck Advisory: better-auth SCIM 1.5.0 before 1.7.0-beta.4 Authorization Bypass third-party-advisory