Broken Access Control in Canonical LXD DevLXD API_CVE-2026-12411

{
    "lastseen": "",
    "description": "Broken Access Control in the devLXDInstancePatchHandler component of Canonical LXD allows an untrusted guest to mount, read, and overwrite another guest's custom storage volume via a crafted device PATCH request over /dev/lxd when security.devlxd.management.volumes is enabled.",
    "published": "2026-06-26T15:27:55.111Z",
    "modified": "2026-06-26T16:02:55.284Z",
    "type": "cve",
    "title": "Broken Access Control in Canonical LXD DevLXD API",
    "source": "canonical",
    "references": "https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp\nhttps://github.com/canonical/lxd/pull/18585",
    "id": "CVE-2026-12411",
    "bulletinFamily": "",
    "cwe": [
        "CWE-639",
        "CWE-862"
    ],
    "cvelist": null,
    "sourceData": "Canonical lxd 6.6",
    "sourceHref": "",
    "cvss": {
        "score": 8.4,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "lxd",
    "version": "6.6",
    "vendor": "Canonical",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}