CVE-2026-46681
CVE-2026-46681 · @nevware21/ts-utils: Prototype Pollution in objDeepCopy/objCopyProps via for...in without hasOwnProperty
This page contains facts from public vulnerability sources. Check the original advisory before updating.
@nevware21/ts-utils is a comprehensive TypeScript/JavaScript utility library. Prior to version 0.14.0, the _copyProps function in lib/src/object/copy.ts uses for...in to iterate over source object properties without an Object.hasOwnProperty check, and does not filter dangerous keys (__proto__, constructor, prototype). This allows an attacker to pollute the prototype chain of all objects in the application. Version 0.14.0 patches the issue.
CVSS 7.2 · High · EPSS 0.4% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
ts-utils
- Versions
- < 0.14.0: Affected
No fix published
@nevware21/ts-utils npm
- Affected ranges
- SEMVER: < 0.14.0
Update to 0.14.0