CVE-2020-28270: Mjpclab Object-Hierarchy-Access

Critical severity, CVSS 9.8. EPSS: 3.8% chance of exploitation in the next 30 days.

Prototype pollution vulnerability in 'object-hierarchy-access' versions 0.2.0 through 0.32.0 allows attacker to cause a denial of service and may lead to remote code execution.

Affected products

• Mjpclab Object-Hierarchy-Access: from 0.2.0, up to and including 0.32.0

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