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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Kata Containers is an open source project focusing on a standard implementation of lightweight Virtual Machines (VMs) that perform like containers. In versions prior to 3.27.0, an issue in Kata with Cloud Hypervisor allows a user of the container to modify the file system used by the Guest micro VM ultimately achieving arbitrary code execution as root in said VM. The current understanding is this doesn\u2019t impact the security of the Host or of other containers / VMs running on that Host (note that arm64 QEMU lacks NVDIMM read-only support: It is believed that until the upstream QEMU gains this capability, a guest write could reach the image file). Version 3.27.0 patches the issue."}], "id": "CVE-2026-24834", "lastModified": "2026-02-20T13:49:47.623", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-02-19T17:24:49.823", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/kata-containers/kata-containers/commit/6a672503973bf7c687053e459bfff8a9652e16bf"}, {"source": "security-advisories@github.com", "url": "https://github.com/kata-containers/kata-containers/releases/tag/3.27.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/kata-containers/kata-containers/security/advisories/GHSA-wwj6-vghv-5p64"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{"bugzilla": {"description": "containerd-shim-kata-v2: Kata Containers: Arbitrary code execution in guest virtual machine via file system modification", "id": "2441025", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2441025"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-281", "details": ["No description is available for this CVE."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-24834", "package_state": [{"cpe": "cpe:/a:redhat:confidential_compute_attestation:1", "fix_state": "Affected", "package_name": "openshift-sandboxed-containers/osc-monitor-rhel9", "product_name": "Confidential Compute Attestation"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "kata-containers", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-02-19T15:57:50Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-24834\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-24834\nhttps://github.com/kata-containers/kata-containers/commit/6a672503973bf7c687053e459bfff8a9652e16bf\nhttps://github.com/kata-containers/kata-containers/releases/tag/3.27.0\nhttps://github.com/kata-containers/kata-containers/security/advisories/GHSA-wwj6-vghv-5p64"], "statement": "This risk posed by this flaw is limited to the Guest VM provided to each Kata Containers container which exists as a second layer of isolation. This flaw has been rated Important because it requires an attacker to have local access to a container in order to execute arbitrary code.", "threat_severity": "Important"}

{"created": "2026-02-20T10:06:22.808069+00:00", "updated": "2026-02-20T10:06:22.808174+00:00", "vendors": ["katacontainers", "katacontainers$PRODUCT$kata-containers"]}