CVE-2026-93320

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{"bugzilla": {"description": "github.com/moby/buildkit: BuildKit: Unintended host device access via special file inodes", "id": "2546036", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546036"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:H", "status": "draft"}, "cwe": "CWE-66", "details": ["A flaw was found in BuildKit. This vulnerability allows an attacker to trick the build engine into performing file operations on special file inodes where regular files are expected. By providing a crafted build context, an attacker can block build operations leading to a Denial of Service (DoS) or, on rootful workers, gain unintended access to underlying host devices."], "name": "CVE-2026-93320", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "buildah", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "podman", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "trivy", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-05T17:50:44Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-93320\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-93320\nhttps://github.com/moby/buildkit/releases/tag/v0.33.1\nhttps://github.com/moby/buildkit/security/advisories/GHSA-9728-qjrv-2xh2"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,0.33.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "BuildKit", "source": "cna", "vendor": "moby"}, "product": "buildkit", "vendor": "moby"}], "created": "2026-10-05T20:15:16.221668+00:00", "updated": "2026-10-07T06:45:13.466560+00:00", "vendors": ["moby", "moby$PRODUCT$buildkit"]}