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.

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…

Vulnerability class: SQL Injection

EPSS: 0.000 (7.7th percentile) — read the EPSS interpretation.

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.

Affected products

Opencats — versions 0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (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.