{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-57998",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-06-26T17:58:05.796Z",
        "datePublished": "2026-08-22T12:26:30.536Z",
        "dateUpdated": "2026-08-22T12:26:30.536Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
                "shortName": "VulnCheck",
                "dateUpdated": "2026-08-22T12:26:30.536Z"
            },
            "datePublic": "2026-05-16T00:00:00.000Z",
            "title": "better-npm-audit OS Command Injection via registry flag",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "better-npm-audit through 3.11.0, and the 4.0.0-rc.2 prerelease, builds its npm audit command by interpolating the user-supplied --registry option into a command string in src/handlers/handleInput.ts without validation or quoting, then passes that string to child_process.exec() in index.ts, which spawns a shell. A registry value containing shell metacharacters such as a semicolon, pipe, or command substitution executes arbitrary operating system commands with the privileges of the process running the audit."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
                            "cweId": "CWE-78",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "jeemok",
                    "product": "better-npm-audit",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/better-npm-audit",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "3.11.0",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.0.0-rc.2",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 8.5,
                        "baseSeverity": "HIGH"
                    }
                },
                {
                    "format": "CVSS",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.8,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/jeemok/better-npm-audit/issues/119",
                    "tags": [
                        "issue-tracking"
                    ],
                    "name": "GitHub Issue #119"
                },
                {
                    "url": "https://github.com/jeemok/better-npm-audit",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "url": "https://github.com/jeemok/better-npm-audit/blob/fd99a0f41ff4342b8a0a6fdbe5a17261de3d0544/src/handlers/handleInput.ts#L30-L37",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/jeemok/better-npm-audit/blob/fd99a0f41ff4342b8a0a6fdbe5a17261de3d0544/index.ts#L34",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/jeemok/better-npm-audit/pull/120",
                    "tags": [
                        "issue-tracking"
                    ]
                },
                {
                    "name": "VulnCheck Advisory: better-npm-audit OS Command Injection via registry flag",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/better-npm-audit-os-command-injection-via-registry-flag"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "MD Mahmidul Hasan (BL4CK 570RM)",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        }
    }
}