CVE-2021-23442: Cookiex-Deep Project Cookiex-Deep

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

This affects all versions of package @cookiex/deep. The global proto object can be polluted using the __proto__ object.

Affected products

• Cookiex-Deep Project Cookiex-Deep: before 0.0.6 (fixed in 0.0.6)

Published 2021-09-17. Last modified 2026-06-17.