CVE-2026-67328

CVE-2026-67328CVE-2026-67328

Description

@better-auth/sso versions before 1.6.21 contain multiple authentication bypass vulnerabilities in SSO provider handling that allow attackers to sign in as arbitrary users. Attackers can exploit domain verification parsing mismatches, orphaned provider accounts, unbound SAML assertions, or reflected XSS on logout endpoints to gain unauthorized session access and account takeover.

Scoring

CVSS 8.1 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Last modified2026-08-01
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.