SQL Injection in Opencats
CVE-2026-49490
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.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (35.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Opencats — versions 0
Weakness classification (CWE)
References
- github.com/opencats/OpenCATS/security/advisories/GHSA-gmpc-j6h7-vw74 (vendor-advisory)
- www.vulncheck.com/advisories/opencats-sql-injection-in-datagrid-filter-handling… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-49490?
- CVE-2026-49490 is a high-severity vulnerability in Opencats, classified under SQL Injection. CVSS score: 8.1/10. Published 2026-05-31.
- How severe is CVE-2026-49490?
- High severity. CVSS v3 base score is 8.1 out of 10.