What is CVE-2026-42740?

CVE-2026-42740 is a critical-severity vulnerability in Tainacan, classified under SQL Injection. CVSS score: 9.3/10. Published 2026-05-27.

How severe is CVE-2026-42740?

Critical severity. CVSS v3 base score is 9.3 out of 10.

SQL Injection in Tainacan

CVE-2026-42740

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in tainacan Tainacan tainacan allows Blind SQL Injection.This issue affects Tainacan: from n/a through <= 1.0.3.

Vulnerability class: SQL Injection

EPSS: 0.000 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L.

Affected products

Tainacan — versions 0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-42740?: CVE-2026-42740 is a critical-severity vulnerability in Tainacan, classified under SQL Injection. CVSS score: 9.3/10. Published 2026-05-27.
How severe is CVE-2026-42740?: Critical severity. CVSS v3 base score is 9.3 out of 10.