---
id: CVE-2026-49490
title: OpenCATS - SQL Injection in DataGrid Filter Handling for Tags Column
summary: >-
  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 DataGri…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'
cvssSource: cna
cwe:
  - CWE-89
vendor: OpenCATS
product: OpenCATS
affected:
  - OpenCATS <= 0.9.1a
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-06-01T15:01:17.189384Z'
published: '2026-05-31'
updated: '2026-11-08'
sourceUpdated: '2026-11-08T14:04:52.830Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-49490'
references:
  - url: >-
      https://github.com/opencats/OpenCATS/security/advisories/GHSA-gmpc-j6h7-vw74
    label: GitHub Security Advisory (GHSA-gmpc-j6h7-vw74)
  - url: >-
      https://www.vulncheck.com/advisories/opencats-sql-injection-in-datagrid-filter-handling-for-tags-column
    label: >-
      VulnCheck Advisory: OpenCATS - SQL Injection in DataGrid Filter Handling
      for Tags Column
tags:
  - cve.org
epss: 0.00249
epssPercentile: 0.16332
ingestedAt: '2026-11-08T14:51:22.392Z'
---

## Overview

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

- `OpenCATS <= 0.9.1a`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.