CVE-2026-66632

CVE-2026-66632

Unauthenticated Content Injection in Simple Cloudflare Turnstile <= 1.42.1 versions.

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Weakness classification (CWE)

CWE-94 — Code Injection

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-66632?: CVE-2026-66632 is a medium-severity vulnerability, classified under Code Injection. CVSS score: 6.5/10. Published 2026-09-10.
How severe is CVE-2026-66632?: Medium severity. CVSS v3 base score is 6.5 out of 10.