CVE-2026-90575: Phpgurukul Small CRM

Low severity, CVSS 3.7. EPSS: 0.5% chance of exploitation in the next 30 days.

A weakness has been identified in PHPGurukul Small CRM 4.0. This impacts the function unserialize of the file /crm/login.php of the component Login Success Handler. This manipulation of the argument geopluginURL causes deserialization. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is said to be difficult. The exploit has been made available to the public and could be used for attacks.

Affected products

• Phpgurukul Small CRM: version 4.0 only

Published 2026-09-13. Last modified 2026-09-16.