CVE-2026-5814 | PHPGurukul Online Course Registration 3.1 check_availability.php regno sql injection

A vulnerability has been found in PHPGurukul Online Course Registration 3.1 and classified as critical. This issue affects some unknown processing of the file /admin/check_availability.php. The manipulation of the argument regno leads to sql injection.

This vulnerability is documented as CVE-2026-5814. The attack can be initiated remotely. Additionally, an exploit exists.