Authentication bypass using an alternate path or channel in CAPTCHA Protected Page - CVE-2026-81168

 

Authentication bypass using an alternate path or channel in CAPTCHA Protected Page - CVE-2026-81168

Published: September 10, 2026


Vulnerability identifier: #VU148910
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-81168
CWE-ID: CWE-288
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the affected module does not sufficiently validate its CAPTCHA verification cookies. A remote attacker can forge the cookie and bypass CAPTCHA verification entirely.


Affected software

CAPTCHA Protected Page

How to mitigate CVE-2026-81168

Install updates from vendor's website.

CAPTCHA Protected Page - update to 1.0.2

External References

Related Security Bulletins