Critical
Security advisory
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().
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-26245
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:25 UTC · Revision 1
Source evidence
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().
osv:CVE-2020-26245
Complete source record
{
"id": "44d826aee8f5623e5a1bac38611694025e8b0ac7e9a2f03b538e8aeb844ac35e",
"url": "https://osv.dev/vulnerability/CVE-2020-26245",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-26245",
"summary": "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().",
"evidence": "osv:CVE-2020-26245",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2020-26245",
"aliases": [
"CVE-2020-26245",
"GHSA-4v2w-h9jm-mqjg"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/sebhildebrandt/systeminformation",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "78c6e558ec5d8f34cf45728352002ceee07f8964"
},
{
"fixed": "8113ff0e87b2f422a5756c48f1057575e73af016"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:systeminformation:systeminformation:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.30.5"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "8113ff0e87b2f422a5756c48f1057575e73af016"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v4.30.4",
"v4.30.3",
"v4.30.2",
"v4.30.1",
"v4.30.0",
"v4.29.3",
"v4.29.2",
"v4.29.1",
"v4.29.0",
"v4.28.1",
"v4.28.0",
"v4.27.11",
"v4.27.10",
"v4.27.9",
"v4.27.8",
"v4.27.7",
"v4.27.6",
"v4.27.5",
"v4.27.4",
"v4.27.3",
"v4.27.2",
"v4.27.1",
"v4.27.0",
"v4.26.12",
"v4.26.11",
"v4.26.10",
"v4.26.9",
"v4.26.8",
"v4.26.7",
"v4.26.6",
"v4.26.5",
"v4.26.4",
"v4.26.3",
"v4.26.2",
"v4.25.2",
"v4.24.1",
"v4.24.0",
"v4.23.10",
"v4.23.9",
"v4.23.8",
"v4.23.7",
"v4.23.6",
"v4.23.5",
"v4.23.4",
"v4.23.3",
"v4.23.2",
"v4.23.1",
"v4.23.0",
"v4.22.7",
"v4.22.6",
"v4.21.0",
"v4.20.1",
"v4.20.0",
"v4.19.4",
"v4.19.3",
"v4.19.2",
"v4.19.1",
"v4.19.0",
"v4.18.3",
"v4.18.2",
"v4.18.1",
"v4.18.0",
"v4.17.3",
"v4.17.2",
"v4.17.1",
"v4.17.0",
"v4.16.1",
"v4.16.0",
"v4.15.1",
"v4.15.0",
"v4.14.15",
"v4.14.14",
"v4.14.11",
"v4.14.10",
"v4.14.9",
"v4.14.7",
"v4.14.6",
"v4.14.5",
"v4.14.3",
"v4.14.0",
"v4.13.2",
"v4.13.1",
"v4.12.2",
"v4.12.1",
"v4.11.6",
"v4.11.5",
"v4.9.0",
"v4.8.4",
"v4.7.3",
"v4.7.2",
"v4.7.1",
"v4.7.0",
"v4.6.1",
"v4.3.0",
"v4.2.1",
"v4.2.0",
"v4.1.8",
"v4.1.7",
"v4.1.6",
"v4.1.5",
"v4.0.15",
"v4.0.14",
"v4.0.13",
"v4.0.12",
"v4.0.9",
"v4.0.7",
"v4.0.6",
"v3.52.1",
"v3.52.0",
"v3.51.2",
"v3.51.1",
"v3.48.4",
"v3.48.3",
"v3.48.2",
"v3.45.9",
"v3.45.8",
"v3.42.8",
"v3.42.7",
"v3.42.6",
"v3.42.5"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26245.json"
}
}
],
"modified": "2026-10-20T10:54:18.963202867Z",
"provider": "osv",
"references": [
"https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-4v2w-h9jm-mqjg",
"https://github.com/sebhildebrandt/systeminformation/commit/8113ff0e87b2f422a5756c48f1057575e73af016"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-26245",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385019,
"published_at": "2020-11-27T20:15:10.963+00:00"
}