CVE-2021-23771: Argencoders-Notevil Project Argencoders-Notevil

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

This affects all versions of package notevil; all versions of package argencoders-notevil. It is vulnerable to Sandbox Escape leading to Prototype pollution. The package fails to restrict access to the main context, allowing an attacker to add or modify an object's prototype. **Note:** This vulnerability derives from an incomplete fix in [SNYK-JS-NOTEVIL-608878](https://security.snyk.io/vuln/SNYK-JS-NOTEVIL-608878).

Affected products

• Argencoders-Notevil Project Argencoders-Notevil: up to and including 2.5.0
• Notevil Project Notevil: up to and including 1.3.3

Published 2022-03-17. Last modified 2026-06-17.