Authentication Bypass Vulnerability in Drupal CAPTCHA
CVE-2026-3214

6.5MEDIUM

Key Information:

Vendor

Drupal
Status
Captcha
Vendor
CVE Published:
25 March 2026

What is CVE-2026-3214?

An authentication bypass vulnerability exists in the Drupal CAPTCHA module that allows attackers to bypass intended security checks. This flaw could enable unauthorized access to functionalities that are designed to be restricted, affecting versions before 1.17.0 and 2.0.10. Administrators should ensure they are using an updated version of CAPTCHA to mitigate potential risks.

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Deploy the Patch

Affected Version(s)

CAPTCHA 0.0.0 < 1.17.0

CAPTCHA 2.0.0 < 2.0.10

References

https://www.drupal.org/sa-contrib-2026-015

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Andrew Wang (andrew.wang)
Andrew Belcher (andrewbelcher)
Chris Dudley (dudleyc)
M Parker (mparker17)
tamasd
Tim Wood (timwood)
Denis K**** (dench0)
Joshua Sedler (grevil)
Jakob P (japerry)
Adam Nagy (joevagyok)
cilefen (cilefen)
Damien McKenna (damienmckenna)
Greg Knaddison (greggles)
Lee Rowlands (larowlan)
Michael Hess (mlhess)
Juraj Nemec (poker10)
Jess (xjm)
JSON
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