Medium
Security advisory
Dulwich through 1.1.0 was found to be missing SSH host key verification in contrib/paramiko_vendor.py.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-38974
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 09:46 UTC · Revision 1
Source evidence
Dulwich through 1.1.0 was found to be missing SSH host key verification in contrib/paramiko_vendor.py.
osv:CVE-2026-38974
Complete source record
{
"id": "0c85482d0d3eb5d30045b2887e67093bd93a1ca6f6ba821cbac267f30423a1bd",
"url": "https://osv.dev/vulnerability/CVE-2026-38974",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-38974",
"summary": "Dulwich through 1.1.0 was found to be missing SSH host key verification in contrib/paramiko_vendor.py.",
"evidence": "osv:CVE-2026-38974",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-38974",
"aliases": [
"CVE-2026-38974"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/jelmer/dulwich",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "7dddd93c1e6f6d49e8b8911dab94e509710e90c8"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "1.1.0"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
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"dulwich-1.0.0",
"dulwich-0.25.2",
"dulwich-0.25.1",
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"dulwich-0.19.14",
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"dulwich-0.19.11",
"dulwich-0.19.10",
"dulwich-0.19.9",
"dulwich-0.19.8",
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"dulwich-0.19.6",
"dulwich-0.19.5",
"dulwich-0.19.4",
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"dulwich-0.19.2-2",
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"dulwich-0.7.1",
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"dulwich-0.6.2",
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"dulwich-0.5.0",
"dulwich-0.4.1",
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"dulwich-0.3.3",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-38974.json"
}
}
],
"modified": "2026-10-28T02:30:50.517064211Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/38xxx/CVE-2026-38974.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-38974",
"https://github.com/jelmer/dulwich/pull/2123",
"https://github.com/jelmer/dulwich"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/38xxx/CVE-2026-38974.json"
}
},
"related_cves": [
{
"value": "CVE-2026-38974",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 518917,
"published_at": "2026-07-15T00:00:00+00:00"
}