CVE-2026-34018: Cubecart

Critical severity, CVSS 9.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An SQL injection vulnerability exists in CubeCart prior to 6.6.0, which may allow an attacker to execute an arbitrary SQL statement on the product.

Affected products

• Cubecart Cubecart: before 6.6.0 (fixed in 6.6.0)

Published 2026-04-17. Last modified 2026-06-17.