CVE-2021-25916: Patchmerge Project Patchmerge

Critical severity, CVSS 9.8. EPSS: 3.5% chance of exploitation in the next 30 days.

Prototype pollution vulnerability in 'patchmerge' versions 1.0.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.

Affected products

• Patchmerge Project Patchmerge: from 1.0.0, up to and including 1.0.1

Published 2021-03-16. Last modified 2026-06-17.