CVE-2026-49490: Opencats

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

OpenCATS from version 0.9.1a contains an SQL injection vulnerability in DataGrid filter handling that allows authenticated attackers to inject SQL through crafted filters targeting the non-filterable Tags column in the Candidates DataGrid. Attackers can bypass column filterable restrictions by manipulating filter requests to execute arbitrary SQL queries against the database.

Affected products

• Opencats Opencats: up to and including 0.9.1a

Published 2026-05-31. Last modified 2026-07-22.