NVD HIGH: CVE-2026-67328 — @better-auth/sso versions before 1.6.21 contain multiple authentication bypass v...

Saturday, August 1, 2026 at 01:17 PM UTC·Source: NIST NVD

Updated: Saturday, August 1, 2026 at 02:00 PM UTC

Executive Summary

@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.

Analysis

Indicators of Compromise (1)

CVE (1)

CVE-2026-67328

NVD MITRE CVE

Source Attribution

Originally published by NIST NVD on Aug 1, 2026. Verified by: NIST.

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