CVE-2026-45734: Php Captcha Missing Invalidation

The CAPTCHA response is validated but not invalidated upon successful form processing, which may allow CAPTCHA reuse and replay attacks (CVE-2026-45734).

Provally CuratedPublic repositoryMediumMedium confidenceVerifiedApache-2.0PHP
greprules fetch cve-2026-45734-php-captcha-missing-invalidation --engine opengrep

Description

The CAPTCHA response is validated but not invalidated upon successful form processing, which may allow CAPTCHA reuse and replay attacks (CVE-2026-45734).