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vuln-cve/data/2025/15xxx/CVE-2025-15079.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-15079",
"assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
"state": "PUBLISHED",
"assignerShortName": "curl",
"dateReserved": "2025-12-24T22:18:18.481Z",
"datePublished": "2026-01-08T10:08:13.410Z",
"dateUpdated": "2026-09-15T06:02:32.246Z"
},
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"dateUpdated": "2026-09-15T06:02:32.246Z"
},
"title": "libssh global known_hosts override",
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{
"lang": "en",
"value": "When doing SSH-based transfers using either SCP or SFTP, and setting the\nknown_hosts file, libcurl could still mistakenly accept connecting to hosts\n*not present* in the specified file if they were added as recognized in the\nlibssh *global* known_hosts file."
}
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{
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],
"defaultStatus": "unaffected"
}
],
"references": [
{
"url": "https://curl.se/docs/CVE-2025-15079.json"
},
{
"url": "https://curl.se/docs/CVE-2025-15079.html"
},
{
"url": "https://hackerone.com/reports/3477116"
}
],
"x_osv": {
"schema_version": "1.5.0",
"id": "CURL-CVE-2025-15079",
"aliases": [
"CVE-2025-15079"
],
"summary": "libssh global known_hosts override",
"modified": "2026-09-07T10:34:51.00Z",
"database_specific": {
"package": "curl",
"affects": "both",
"URL": "https://curl.se/docs/CVE-2025-15079.json",
"www": "https://curl.se/docs/CVE-2025-15079.html",
"issue": "https://hackerone.com/reports/3477116",
"CWE": {
"id": "CWE-297",
"desc": "Improper Validation of Certificate with Host Mismatch"
},
"award": {
"amount": "505",
"currency": "USD"
},
"last_affected": "8.17.0",
"severity": "Low"
},
"published": "2026-01-07T08:00:00.00Z",
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"credits": [
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"type": "finder"
},
{
"name": "Daniel Stenberg",
"type": "remediation developer"
}
],
"details": "When doing SSH-based transfers using either SCP or SFTP, and setting the\nknown_hosts file, libcurl could still mistakenly accept connecting to hosts\n*not present* in the specified file if they were added as recognized in the\nlibssh *global* known_hosts file."
},
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"description": "Improper Validation of Certificate with Host Mismatch",
"cweId": "CWE-297",
"type": "CWE"
}
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}
],
"credits": [
{
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"value": "Harry Sintonen",
"type": "finder"
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{
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}
],
"x_generator": {
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}
},
"adp": [
{
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],
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}
]
}
],
"metrics": [
{
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"version": "3.1",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-01-08T14:45:34.542278Z",
"id": "CVE-2025-15079",
"options": [
{
"Exploitation": "poc"
},
{
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},
{
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"title": "CISA ADP Vulnrichment",
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}