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    "cveMetadata": {
        "cveId": "CVE-2026-18638",
        "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 server crash via the SetPassword API",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-476",
                            "description": "CWE-476 NULL pointer dereference",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-703",
                            "description": "CWE-703 Improper Check or Handling of Exceptional Conditions",
                            "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": "Any authenticated Velociraptor user — including one holding only the readerrole — can terminate the entire server process with a single request, by calling SetPassword with a username that does not exist.",
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                            "value": "<div>Any authenticated Velociraptor user — including one holding only the&nbsp;<code>reader</code>role — can terminate the entire server process with a single request, by calling&nbsp;<code>SetPassword</code>&nbsp;with a&nbsp;<code>username</code>&nbsp;that does not exist.</div>"
                        }
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                }
            ],
            "references": [
                {
                    "url": "http://docs.velociraptor.app/announcements/advisories/cve-2026-18638/"
                },
                {
                    "url": "https://github.com/Velocidex/velociraptor/commit/5ec66ca0f8b63b39e9cdebc762f438f8b0b50525"
                }
            ],
            "metrics": [
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                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
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                    ],
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                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 6.5,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                    }
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "value": "The user must have at least reader permissions to the org before they can call the SetPassword API.",
                    "supportingMedia": [
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                            "type": "text/html",
                            "base64": false,
                            "value": "The user must have at least reader permissions to the org before they can call the SetPassword API."
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                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Mayank Rajput (https://github.com/hackelite01)",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
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}