CVE-2026-62940

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{"bugzilla": {"description": "incus: Incus has a project restriction bypass via instance migration config override", "id": "2521016", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521016"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-863", "details": ["Incus is a system container and virtual machine manager. Prior to version 7.3.0, when migrating an instance to another cluster member, user-supplied configuration overrides (including security-critical keys like `security.privileged` and `raw.lxc`) are applied without any project restriction enforcement, allowing a restricted project user to escalate to a privileged container and escape to the host. Version 7.3.0 patches the issue.", "A flaw was found in Incus, a container and virtual machine manager. During instance migration, security-critical configuration overrides bypass project restrictions, allowing a restricted user to escalate privileges and escape the container to the host."], "mitigation": {"lang": "en:us", "value": "No mitigation is needed as Incus is not shipped in any Red Hat product."}, "name": "CVE-2026-62940", "public_date": "2026-08-21T14:47:13Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-62940\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-62940\nhttps://github.com/lxc/incus/security/advisories/GHSA-qw5c-v953-38gw"], "statement": "Incus is not shipped in any Red Hat product. The community Fedora package is affected.", "threat_severity": "Critical"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.3.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "incus", "source": "cna", "vendor": "lxc"}, "product": "incus", "vendor": "lxc"}], "created": "2026-08-21T16:30:06.808145+00:00", "updated": "2026-08-26T14:30:07.139239+00:00", "vendors": ["lxc", "lxc$PRODUCT$incus"]}