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vuln-cve/data/2026/6xxx/CVE-2026-6959.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-6959",
"assignerOrgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
"state": "PUBLISHED",
"assignerShortName": "HashiCorp",
"dateReserved": "2026-04-24T14:29:55.377Z",
"datePublished": "2026-05-12T18:59:09.029Z",
"dateUpdated": "2026-05-12T20:16:15.200Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"64 bit",
"32 bit",
"x86",
"ARM",
"MacOS",
"Windows",
"Linux"
],
"product": "Nomad",
"repo": "https://github.com/hashicorp/nomad",
"vendor": "HashiCorp",
"versions": [
{
"lessThan": "2.0.1",
"status": "affected",
"version": "0.9.0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"64 bit",
"32 bit",
"x86",
"ARM",
"MacOS",
"Windows",
"Linux"
],
"product": "Nomad Enterprise",
"repo": "https://github.com/hashicorp/nomad",
"vendor": "HashiCorp",
"versions": [
{
"changes": [
{
"at": "1.11.5",
"status": "unaffected"
},
{
"at": "1.10.11",
"status": "unaffected"
}
],
"lessThan": "2.0.1",
"status": "affected",
"version": "0.9.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "This issue was identified by Alex Manson (Aiven / NeuroWinter)."
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-6959) is fixed in Nomad 2.0.1, 1.11.5 and 1.10.11.</p><br/>"
}
],
"value": "HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-6959) is fixed in Nomad 2.0.1, 1.11.5 and 1.10.11."
}
],
"impacts": [
{
"capecId": "CAPEC-132",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-132: Symlink Attack"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 6,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-59",
"description": "CWE-59: Improper Link Resolution Before File Access (Link Following)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
"shortName": "HashiCorp",
"dateUpdated": "2026-05-12T18:59:09.029Z"
},
"references": [
{
"url": "https://discuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416"
}
],
"source": {
"advisory": "HCSEC-2026-14",
"discovery": "EXTERNAL"
},
"title": "Nomad vulnerable to arbitrary file read/write on client host through symlink attack"
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-12T20:14:14.584948Z",
"id": "CVE-2026-6959",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-05-12T20:16:15.200Z"
}
}
]
}
}