CVE-2018-16469: Merge Project Merge

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

The merge.recursive function in the merge package <1.2.1 can be tricked into adding or modifying properties of the Object prototype. These properties will be present on all objects allowing for a denial of service attack.

Affected products

Published 2018-10-30. Last modified 2026-06-17.