CVE-2021-25948: Expand-Hash Project Expand-Hash

Critical severity, CVSS 9.8. EPSS: 3.3% chance of exploitation in the next 30 days.

Prototype pollution vulnerability in 'expand-hash' versions 0.1.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.

Affected products

• Expand-Hash Project Expand-Hash: from 0.1.0, up to and including 1.0.1

Published 2021-06-10. Last modified 2026-06-17.