CVE-2026-16266

CVE-2026-16266CVE-2026-16266

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__.

Scoring

CVSS 4.0 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
Last modified2026-07-21
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.