CVE-2020-26245

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().

• CWE-78
• CWE-471
• CWE-78

• https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016Patch, Third Party Advisory
• https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjgThird Party Advisory
• https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016Patch, Third Party Advisory
• https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjgThird Party Advisory

Published

Nov 27, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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