CVE-2023-26122

HIGH

safe-eval < 0.4.1 - Sandbox Bypass via Prototype Pollution

Title source: llm
STIX 2.1

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)

Core 8
Core References
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 0.0210
EPSS Percentile 79.2%
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