CVE-2023-26122: Safe-Eval Project Safe-Eval

Critical severity, CVSS 10.0. EPSS: 2.1% chance of exploitation in the next 30 days.

All versions of the package safe-eval are vulnerable to Sandbox Bypass due to improper input sanitization. The vulnerability is derived from prototype pollution exploitation. Exploiting this vulnerability might result in remote code execution ("RCE"). **Vulnerable functions:** __defineGetter__, stack(), toLocaleString(), propertyIsEnumerable.call(), valueOf().

Affected products

• Safe-Eval Project Safe-Eval: up to and including 0.4.1

Published 2023-04-11. Last modified 2026-06-17.