CVE-2026-81168
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Authentication Bypass in Drupal CAPTCHA Protected Page

Publication date: 2026-09-02

Last updated on: 2026-09-02

Assigner: Drupal.org

Description
Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal CAPTCHA Protected Page allows Functionality Bypass. This issue affects CAPTCHA Protected Page versions: from 0.0.0 to 1.0.2.

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Meta Information

Published
2026-09-02
Last Modified
2026-09-02
Generated
2026-09-02
AI Q&A
2026-09-02
EPSS Evaluated
N/A
NVD
CVE-2026-81168
EUVD
EUVD-2026-70006

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
drupal captcha_protected_page From 0.0.0 (inc) to 1.0.2 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-288 The product requires authentication, but the product has an alternate path or channel that does not require authentication.

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Executive Summary

This vulnerability is an Authentication Bypass Using an Alternate Path or Channel in Drupal CAPTCHA Protected Page. It allows attackers to bypass authentication mechanisms, enabling functionality bypass in versions from 0.0.0 to 1.0.2.

Impact Analysis

An attacker could exploit this to bypass CAPTCHA protections, potentially gaining unauthorized access to protected pages or performing actions without proper authentication.

Compliance Impact

This vulnerability allows bypassing authentication on CAPTCHA-protected pages in Drupal, which could lead to unauthorized access to sensitive data. This may violate compliance requirements under GDPR (data protection) and HIPAA (health information security) by exposing protected information without proper controls.

Mitigation Strategies

Update the Drupal CAPTCHA Protected Page module to the latest version beyond 1.0.2 to address the authentication bypass vulnerability.

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