CVE-2023-26122

Name: CVE-2023-26122
Creator: NVD / NIST
Published: 2023-04-11T05:15:07.18+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10EPSS 2.10%

Last modified Jun 17, 2026

CVE-2023-26122 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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().. EPSS estimates a 2.10% chance of exploitation in the next 30 days.

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().

Metrics

CVSS 3.1

10/10

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

EPSS Probability

2.10%

79.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Safe-Eval Project	Safe-Eval	<= 0.4.1

References

https://gist.github.com/seongil-wi/2db6cb884e10137a93132b7f74879cceExploit, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/27Exploit, Issue Tracking, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/31Exploit, Issue Tracking, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/32Exploit, Issue Tracking, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/33Exploit, Issue Tracking, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/34Exploit, Issue Tracking, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/35Exploit, Issue Tracking, Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-SAFEEVAL-3373064Exploit, Issue Tracking, Third Party Advisory
https://gist.github.com/seongil-wi/2db6cb884e10137a93132b7f74879cceExploit, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/27Exploit, Issue Tracking, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/31Exploit, Issue Tracking, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/32Exploit, Issue Tracking, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/33Exploit, Issue Tracking, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/34Exploit, Issue Tracking, Third Party Advisory
https://github.com/hacksparrow/safe-eval/issues/35Exploit, Issue Tracking, Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-SAFEEVAL-3373064Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Apr 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26122?

How severe is CVE-2023-26122?

CVE-2023-26122 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 2.10% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26122?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26122?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST