What is CVE-2026-67331?

CVE-2026-67331 is a high-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.3/10. Published 2026-08-01.

How severe is CVE-2026-67331?

High severity. CVSS v3 base score is 8.3 out of 10.

CVE-2026-67331

CVE-2026-67331

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…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-67331?: CVE-2026-67331 is a high-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.3/10. Published 2026-08-01.
How severe is CVE-2026-67331?: High severity. CVSS v3 base score is 8.3 out of 10.