CVE-2026-95837

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{"bugzilla": {"description": "github.com/containerd/containerd: containerd: Privilege escalation via crafted container checkpoint restore", "id": "2549886", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2549886"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-266", "details": ["A flaw was found in containerd. This flaw allows privilege escalation when creating a container from a saved checkpoint because process security settings are restored directly from checkpoint data rather than enforcing the destination security policy. An attacker with permissions to create containers can exploit this vulnerability by supplying a crafted checkpoint to execute processes with elevated root privileges and bypass security controls. Additionally, container status reporting reflects the requested configuration rather than the actual state, concealing the elevated privileges."], "name": "CVE-2026-95837", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "git-sync", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-12T19:37:49Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-95837\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-95837\nhttps://github.com/containerd/containerd/commit/928c03c6898cad95f795300281fdff0dbc55a32f\nhttps://github.com/containerd/containerd/pull/13913\nhttps://github.com/containerd/containerd/security/advisories/GHSA-p7v4-vr35-mj6f"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.1.0,2.2.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.3.0,2.3.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "containerd", "source": "cna", "vendor": "containerd"}, "product": "containerd", "vendor": "containerd"}], "created": "2026-10-12T21:00:16.485574+00:00", "updated": "2026-10-17T08:45:05.499366+00:00", "vendors": ["containerd", "containerd$PRODUCT$containerd"]}