Critical
Security advisory
ssh2 is client and server modules written in pure JavaScript for node.js. In ssh2 before version 1.4.0 there is a command injection vulnerability. The issue only exists on Windows. This issue may lead to remote code execution if a client of the library calls the vulnerable method with untrusted input. This is fixed in version 1.4.0.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-26301
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:08 UTC · Revision 1
Source evidence
ssh2 is client and server modules written in pure JavaScript for node.js. In ssh2 before version 1.4.0 there is a command injection vulnerability. The issue only exists on Windows. This issue may lead to remote code execution if a client of the library calls the vulnerable method with untrusted input. This is fixed in version 1.4.0.
osv:CVE-2020-26301
Complete source record
{
"id": "663f8d152d3d65011d94f9cbb0a64c7e78de1432f88d107304efbb02d46c00ee",
"url": "https://osv.dev/vulnerability/CVE-2020-26301",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-26301",
"summary": "ssh2 is client and server modules written in pure JavaScript for node.js. In ssh2 before version 1.4.0 there is a command injection vulnerability. The issue only exists on Windows. This issue may lead to remote code execution if a client of the library calls the vulnerable method with untrusted input. This is fixed in version 1.4.0.",
"evidence": "osv:CVE-2020-26301",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2020-26301",
"aliases": [
"CVE-2020-26301",
"GHSA-652h-xwhf-q4h6"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/mscdex/ssh2",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "cde0b02b8ee7d641559c4bfcb317b3839884897a"
},
{
"fixed": "f763271f41320e71d5cbee02ea5bc6a2ded3ca21"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ssh2_project:ssh2:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.4.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "f763271f41320e71d5cbee02ea5bc6a2ded3ca21"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"v0.8.9",
"v0.8.8",
"v0.8.7",
"v0.8.6",
"v0.8.5",
"v0.8.4",
"v0.8.3",
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"v0.5.3",
"v0.5.2",
"v0.5.1",
"v0.5.0",
"v0.4.13",
"v0.4.12",
"v0.4.11",
"v0.4.10",
"v0.4.9",
"v0.4.8",
"v0.4.7",
"v0.4.6",
"v0.4.5",
"v0.4.4",
"v0.4.3",
"v0.4.2",
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"v0.4.0",
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"v0.3.2",
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"v0.2.25",
"v0.3.0",
"v0.2.24",
"v0.2.23",
"v0.2.22",
"v0.2.21",
"v0.2.20",
"v0.2.19",
"v0.2.18",
"v0.2.17",
"v0.2.16",
"v0.2.15",
"v0.2.14",
"v0.2.13",
"v0.2.12",
"v0.2.11",
"v0.2.10",
"v0.2.9",
"v0.2.8",
"v0.2.7",
"v0.2.6",
"v0.2.5",
"v0.2.4",
"v0.2.3",
"v0.2.2",
"v0.2.1",
"v0.2.0",
"v0.1.13",
"v0.1.12",
"v0.1.11",
"v0.1.10",
"v0.1.9",
"v0.1.8",
"v0.1.7",
"v0.1.6",
"v0.1.5",
"v0.1.4",
"v0.1.3",
"v0.1.2",
"v0.1.1",
"v0.1.0",
"v0.0.2",
"v0.0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26301.json"
}
}
],
"modified": "2026-10-20T10:52:57.353369331Z",
"provider": "osv",
"references": [
"https://www.npmjs.com/package/ssh2",
"https://github.com/mscdex/ssh2/commit/f763271f41320e71d5cbee02ea5bc6a2ded3ca21",
"https://securitylab.github.com/advisories/GHSL-2020-123-mscdex-ssh2/"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-26301",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 384090,
"published_at": "2021-09-20T20:15:11.513+00:00"
}