CVE-2021-23396: Lutils Project Lutils

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

All versions of package lutils are vulnerable to Prototype Pollution via the main (merge) function.

Affected products

• Lutils Project Lutils: any version

Published 2021-06-17. Last modified 2026-06-17.