{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-16140",
        "assignerOrgId": "44488dab-36db-4358-99f9-bc116477f914",
        "state": "PUBLISHED",
        "assignerShortName": "runZero",
        "dateReserved": "2026-07-17T17:17:23.941Z",
        "datePublished": "2026-09-15T13:57:19.310Z",
        "dateUpdated": "2026-09-15T15:00:15.848Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "44488dab-36db-4358-99f9-bc116477f914",
                "shortName": "runZero",
                "dateUpdated": "2026-09-15T14:00:38.029Z"
            },
            "title": "OpenBMC IPMI Privilege Escalation via Retargeted RAKP 1",
            "datePublic": "2026-09-15T14:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-863",
                            "description": "CWE-863 Incorrect Authorization",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "OpenBMC",
                    "product": "phosphor-net-ipmid",
                    "repo": "https://github.com/openbmc/phosphor-net-ipmid",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThanOrEqual": "ba6efc502e6b1fabb8ed1ca677ae5eedd64b6361",
                            "versionType": "git"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "OpenBMC's IPMI implementation, phosphor-net-ipmid, is vulnerable to a logic flaw where the authorization context of an existing session can be replaced with a target account while still maintaining the original integrity and encryption keys. Several downstream vendors implement phosphor-net-ipmid as their IPMI stack, such as NVIDIA and H3C. This issue effectively allows for privilege escalation without re-authentication."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.runzero.com/advisories/openbmc-ipmi-privsec-rakp-cve-2026-16140/",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://www.runzero.com/blog/lights-out-exposed/",
                    "tags": [
                        "related"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.8,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "HD Moore of runZero",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Gadi Evron of Knostic",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Tod Beardsley of runZero",
                    "type": "coordinator"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.5"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-15T15:00:05.940086Z",
                                "id": "CVE-2026-16140",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-15T15:00:15.848Z"
                }
            }
        ]
    }
}