CVE-2026-66674

MEDIUM CVSS 3.1: 5.6 EPSS 0.20%
Updated Sep 11, 2026
Cloudflare
Parameter Value
CVSS 5.6 (MEDIUM)
Type CWE-290
Vendor Cloudflare
Public PoC No

Unauthenticated Bypass Vulnerability in Simple Cloudflare Turnstile <= 1.42.1 versions.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v3.1

Weakness Type (CWE)