What’s Vulnerable › Vulnerabilities

CVE-2023-26139

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-01 · updated 2026-06-17
• Weakness: CWE-1321

Description

Versions of the package underscore-keypath from 0.0.11 are vulnerable to Prototype Pollution via the name argument of the setProperty() function. Exploiting this vulnerability is possible due to improper input sanitization which allows the usage of arguments like “__proto__”.

Affected products

• underscore-keypath: from 0.0.11

References

• https://gist.github.com/lelecolacola123/cc0d1e73780127aea9482c05f2ff3252
• https://security.snyk.io/vuln/SNYK-JS-UNDERSCOREKEYPATH-5416714
• https://gist.github.com/lelecolacola123/cc0d1e73780127aea9482c05f2ff3252
• https://security.snyk.io/vuln/SNYK-JS-UNDERSCOREKEYPATH-5416714

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