What’s Vulnerable › Vulnerabilities

CVE-2023-26122

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-04-11 · updated 2026-06-17
• Weakness: CWE-265

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().

Affected products

• safe-eval: through 0.4.1

References

• https://gist.github.com/seongil-wi/2db6cb884e10137a93132b7f74879cce
• https://github.com/hacksparrow/safe-eval/issues/27
• https://github.com/hacksparrow/safe-eval/issues/31
• https://github.com/hacksparrow/safe-eval/issues/32
• https://github.com/hacksparrow/safe-eval/issues/33
• https://github.com/hacksparrow/safe-eval/issues/34
• https://github.com/hacksparrow/safe-eval/issues/35
• https://security.snyk.io/vuln/SNYK-JS-SAFEEVAL-3373064
• https://gist.github.com/seongil-wi/2db6cb884e10137a93132b7f74879cce
• https://github.com/hacksparrow/safe-eval/issues/27
• https://github.com/hacksparrow/safe-eval/issues/31
• https://github.com/hacksparrow/safe-eval/issues/32

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