Vulnerability · Published May 31, 2026 · Assigned by VulnCheck

CVE-2026-49490OpenCATS - SQL Injection in DataGrid Filter Handling for Tags Column

High 8.1

In plain English

A high-severity SQL injection in OpenCATS from OpenCATS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.2%top 83.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 (as reported)

Vendor	Product	Versions
OpenCATS	OpenCATS	0 – through 0.9.1a

Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

GHSA Advisory GHSA-gmpc-j6h7-vw74 vendor-advisory
VulnCheck Advisory: OpenCATS - SQL Injection in DataGrid Filter Handling for Tags Column third-party-advisory