What is CVE-2026-67329?

CVE-2026-67329 is a high-severity vulnerability in Better-auth Stripe, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.1/10. Published 2026-08-01.

How severe is CVE-2026-67329?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Better-auth Stripe

CVE-2026-67329

@better-auth/stripe versions >= 1.4.11 and < 1.6.21, and >= 1.7.0-beta.0 and < 1.7.0-beta.10, contain an authorization bypass in organization subscription actions. The middleware validates the organization ID taken from the request query s…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Better-auth Stripe — versions 1.4.11, 1.6.21, 1.7.0-beta.0

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-2026-67329?: CVE-2026-67329 is a high-severity vulnerability in Better-auth Stripe, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.1/10. Published 2026-08-01.
How severe is CVE-2026-67329?: High severity. CVSS v3 base score is 7.1 out of 10.