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OpenAdvisories
Medium · 4.0 CVE-2026-16266 EUVD-2026-46151GHSA-c8xx-jpr5-7m25

Versions of the package mongo-object before 3.0.3 are vulnerable to Prototype Pollution via the expandKey() function in util.js. An attacke…

Published Jul 21, 2026 · Updated Jul 21, 2026 · Assigned by snyk

Description

Versions of the package mongo-object before 3.0.3 are vulnerable to Prototype Pollution via the expandKey() function in util.js. An attacker can modify the JavaScript prototype chain by supplying a crafted property path containing special keys such as __proto__.

Affected products

VendorProductAffectedFixed
— mongo-object < 3.0.3 3.0.3

References