CVE-2023-26122

HIGH

safe-eval - Sandbox Bypass

Title source: llm

Description

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().

References (8)

[Exploit, Third Party Advisory] https://gist.github.com/seongil-wi/2db6cb884e10137a93132b7f74879cce

[Exploit, Issue Tracking, Third Party Advisory] https://github.com/hacksparrow/safe-eval/issues/27

[Exploit, Issue Tracking, Third Party Advisory] https://github.com/hacksparrow/safe-eval/issues/31

[Exploit, Issue Tracking, Third Party Advisory] https://github.com/hacksparrow/safe-eval/issues/32

[Exploit, Issue Tracking, Third Party Advisory] https://github.com/hacksparrow/safe-eval/issues/33

[Exploit, Issue Tracking, Third Party Advisory] https://github.com/hacksparrow/safe-eval/issues/34

[Exploit, Issue Tracking, Third Party Advisory] https://github.com/hacksparrow/safe-eval/issues/35

[Exploit, Issue Tracking, Third Party Advisory] https://security.snyk.io/vuln/SNYK-JS-SAFEEVAL-3373064

Scores

CVSS v3 8.8

EPSS 0.0808

EPSS Percentile 92.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-265 CWE-1321

Status published

Products (2)

npm/safe-eval 0npm

safe-eval_project/safe-eval < 0.4.1

Published Apr 11, 2023

Tracked Since Feb 18, 2026