CVE-2026-48751
Full vulnerability record from the local CVENow database.
Description
Incus is a system container and virtual machine manager. Prior to version 7.2.0, instance snapshots ignore the `restricted.containers.lowlevel=block` setting; allowing for arbitrary command execution on the Incus server by abusing lowlevel hooks such as `raw.lxc` and `raw.qemu`. Version 7.2.0 patches the issue.
Severity
CRITICAL
CVSS score
9.9
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-08-21 15:16:40.527000
Last modified
2026-11-06 01:17:49.470000
View original CVE JSON
{
"id": "CVE-2026-48751",
"sourceIdentifier": "[email protected]",
"published": "2026-08-21T15:16:40.527",
"lastModified": "2026-11-06T01:17:49.470",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Incus is a system container and virtual machine manager. Prior to version 7.2.0, instance snapshots ignore the `restricted.containers.lowlevel=block` setting; allowing for arbitrary command execution on the Incus server by abusing lowlevel hooks such as `raw.lxc` and `raw.qemu`. Version 7.2.0 patches the issue."
},
{
"lang": "es",
"value": "Incus es un gestor de contenedores de sistema y máquinas virtuales. Antes de la versión 7.2.0, las instantáneas de instancia ignoran la configuración 'restricted.containers.lowlevel=block'; permitiendo la ejecución arbitraria de comandos en el servidor Incus al abusar de ganchos de bajo nivel como 'raw.lxc' y 'raw.qemu'. La versión 7.2.0 corrige el problema."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "lxc",
"product": "incus",
"versions": [
{
"version": "< 7.2.0",
"status": "affected"
}
]
},
{
"vendor": "canonical",
"product": "lxd",
"versions": [
{
"version": ">= 4.12.0, < 5.0.7",
"status": "affected"
},
{
"version": ">= 5.1.0, 5.21.5",
"status": "affected"
},
{
"version": ">= 6.0.0, < 6.9.0",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"baseScore": 9.9,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.1,
"impactScore": 6.0
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-08-21T15:15:03.649457Z",
"id": "CVE-2026-48751",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-862"
}
]
}
],
"references": [
{
"url": "https://github.com/canonical/lxd/security/advisories/GHSA-47w9-6r3f-938g",
"source": "[email protected]"
},
{
"url": "https://github.com/lxc/incus/security/advisories/GHSA-48q5-w887-33wv",
"source": "[email protected]"
},
{
"url": "https://github.com/lxc/incus/security/advisories/GHSA-48q5-w887-33wv",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
]
}