CVE-2026-64951
Full vulnerability record from the local CVENow database.
Description
A rogue Velociraptor client can upload a malformed sparse file such that if the GUI attempts to expand the file, a panic occurs which may crash the server process. The problem is a Divide by Zero bug in the ShouldPadFile() function.
Severity
LOW
CVSS score
3.5
(v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-08-12 10:17:20.063000
Last modified
2026-10-24 16:10:00.153000
View original CVE JSON
{
"id": "CVE-2026-64951",
"sourceIdentifier": "[email protected]",
"published": "2026-08-12T10:17:20.063",
"lastModified": "2026-10-24T16:10:00.153",
"vulnStatus": "Awaiting Analysis",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A rogue Velociraptor client can upload a malformed sparse file such that if the GUI attempts to expand the file, a panic occurs which may crash the server process.\n\nThe problem is a Divide by Zero bug in the ShouldPadFile() function."
},
{
"lang": "es",
"value": "Un cliente Velociraptor malicioso puede cargar un archivo disperso malformado de tal manera que, si la GUI intenta expandir el archivo, se produce un pánico que puede bloquear el proceso del servidor.\n\nEl problema es un error de división por cero en la función ShouldPadFile()."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Rapid7",
"product": "Velociraptor",
"defaultStatus": "unaffected",
"repo": "https://github.com/Velocidex/velociraptor/",
"versions": [
{
"version": "0",
"lessThan": "0.77.2",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"baseScore": 3.5,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.1,
"impactScore": 1.4
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-08-12T12:28:55.260841Z",
"id": "CVE-2026-64951",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-369"
}
]
}
],
"references": [
{
"url": "http://docs.velociraptor.app/announcements/advisories/cve-2026-64951/",
"source": "[email protected]"
}
]
}