CVE-2026-48753

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{"bugzilla": {"description": "incus: Incus has an arbitrary file write via path traversal in S3 multipart upload", "id": "2521008", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2521008"}, "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-22", "details": ["Incus is a system container and virtual machine manager. Prior to version 7.1.0, the S3 protocol upload endpoint is vulnerable to path traversal and allows creation of arbitrary files on the host. This behavior could lead to arbitrary command execution. Version 7.1.0 fixes the issue.", "A flaw was found in Incus, a container and virtual machine manager. The S3 upload endpoint is vulnerable to path traversal, allowing creation of arbitrary files on the host, potentially leading to command execution."], "mitigation": {"lang": "en:us", "value": "No mitigation is needed as Incus is not shipped in any Red Hat product."}, "name": "CVE-2026-48753", "public_date": "2026-08-21T14:34:39Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-48753\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-48753\nhttps://github.com/lxc/incus/security/advisories/GHSA-ccjc-4qc3-jxqc"], "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": "[0,7.1.0)"}}], "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": "2026-08-21T15:30:05.031769+00:00", "updated": "2026-08-26T14:00:06.052888+00:00", "vendors": ["lxc", "lxc$PRODUCT$incus"]}