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    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2026-18972",
        "assignerOrgId": "00000000-0000-4000-9000-000000000000",
        "requesterUserId": "00000000-0000-4000-9000-000000000000",
        "serial": 1,
        "state": "PUBLISHED"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "00000000-0000-4000-9000-000000000000"
            },
            "title": "Velociraptor authenticated identity-spoofing vulnerability",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-290",
                            "description": "CWE-290 Authentication bypass by spoofing",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Rapid7",
                    "product": "Velociraptor",
                    "platforms": [
                        "Linux"
                    ],
                    "packageName": "Velociraptor",
                    "repo": "https://github.com/Velocidex/velociraptor/",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "0.77.2",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An authenticated attacker can spoof another GUI user's identity by sending their request with the custom header \"Grpc-Metadata-USER\". This can lead to an account takeover attack from a user with low privileges to administrator.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "An authenticated attacker can spoof another GUI user's identity by sending their request with the custom header \"Grpc-Metadata-USER\". This can lead to an account takeover attack from a user with low privileges to administrator."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "http://docs.velociraptor.app/announcements/advisories/cve-2026-18972/"
                },
                {
                    "url": "TBD"
                }
            ],
            "metrics": [
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                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "NONE",
                        "baseSeverity": "CRITICAL",
                        "baseScore": 9.6,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"
                    }
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "value": "The attacker must have access to the Velociraptor GUI with at least the \"reader\" role.",
                    "supportingMedia": [
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                            "type": "text/html",
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                            "value": "The attacker must have access to the Velociraptor GUI with at least the \"reader\" role."
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            ],
            "workarounds": [
                {
                    "lang": "en",
                    "value": "If you have a proxy in front of the Velociraptor GUI server, you can block the \"Grpc-Metadata-USER\" header.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "If you have a proxy in front of the Velociraptor GUI server, you can block the \"Grpc-Metadata-USER\" header."
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Yuval Miller",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Leon Kayaliev",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
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}