CVE-2020-35149: Mquery Project Mquery

Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days.

lib/utils.js in mquery before 3.2.3 allows a pollution attack because a special property (e.g., __proto__) can be copied during a merge or clone operation.

Affected products

Published 2020-12-11. Last modified 2026-06-17.