Security Advisory

CVE-2026-46681

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-21 14:02:03

Last updated 2026-07-21 15:00:58

Assigner GitHub_M

CVSS score 7.2

State PUBLISHED

Description

@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.

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