Low

toggle-array vulnerable to prototype pollution

  • Disclosed: 24.09.2025
  • Updated: 11.10.2026 10:22

toggle-array is a package designed to enables a property on the object at the specified index, while disabling the property on all other objects. A Prototype Pollution vulnerability in the enable and disable function of toggle-array v1.0.1 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package toggle-array <= 1.0.1 no fix

References

CVSS score -
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Weakness (CWE)
CWE-1321
Platform
npm
Package
toggle-array
Disclosed
24.09.2025
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-34q3-8x9v-j957 - CC BY 4.0

Vulnerability history: toggle-array

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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