CVE-2020-26245: Systeminformation

Critical severity, CVSS 9.8. EPSS: 2.2% chance of exploitation in the next 30 days.

npm package systeminformation before version 4.30.5 is vulnerable to Prototype Pollution leading to Command Injection. The issue was fixed with a rewrite of shell sanitations to avoid prototyper pollution problems. The issue is fixed in version 4.30.5. If you cannot upgrade, be sure to check or sanitize service parameter strings that are passed to si.inetChecksite().

Affected products

• Systeminformation Systeminformation: before 4.30.5 (fixed in 4.30.5)

Published 2020-11-27. Last modified 2026-06-17.