{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-1665",
        "assignerOrgId": "ce714d77-add3-4f53-aff5-83d477b104bb",
        "state": "PUBLISHED",
        "assignerShortName": "openjs",
        "dateReserved": "2026-01-29T21:25:18.405Z",
        "datePublished": "2026-01-29T23:04:05.741Z",
        "dateUpdated": "2026-01-30T18:27:52.134Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "nvm",
                    "vendor": "nvm-sh",
                    "versions": [
                        {
                            "lessThanOrEqual": "0.40.3",
                            "status": "affected",
                            "version": "0.40.0",
                            "versionType": "semver"
                        },
                        {
                            "status": "unaffected",
                            "version": "0.40.4",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Jiyong Yang (sy2n0@naver.com)"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>A command injection vulnerability exists in nvm (Node Version Manager) versions 0.40.3 and below. The nvm_download() function uses eval to execute wget commands, and the NVM_AUTH_HEADER environment variable was not sanitized in the wget code path (though it was sanitized in the curl code path). An attacker who can set environment variables in a victim's shell environment (e.g., via malicious CI/CD configurations, compromised dotfiles, or Docker images) can inject arbitrary shell commands that execute when the victim runs nvm commands that trigger downloads, such as 'nvm install' or 'nvm ls-remote'.</p>"
                        }
                    ],
                    "value": "A command injection vulnerability exists in nvm (Node Version Manager) versions 0.40.3 and below. The nvm_download() function uses eval to execute wget commands, and the NVM_AUTH_HEADER environment variable was not sanitized in the wget code path (though it was sanitized in the curl code path). An attacker who can set environment variables in a victim's shell environment (e.g., via malicious CI/CD configurations, compromised dotfiles, or Docker images) can inject arbitrary shell commands that execute when the victim runs nvm commands that trigger downloads, such as 'nvm install' or 'nvm ls-remote'."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-88",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-88 OS Command Injection"
                        }
                    ]
                },
                {
                    "capecId": "CAPEC-6",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-6 Argument Injection"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "attackVector": "LOCAL",
                        "baseScore": 5.4,
                        "baseSeverity": "MEDIUM",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "LOW",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "PASSIVE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "HIGH",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-78",
                            "description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-95",
                            "description": "CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "ce714d77-add3-4f53-aff5-83d477b104bb",
                "shortName": "openjs",
                "dateUpdated": "2026-01-29T23:06:47.873Z"
            },
            "references": [
                {
                    "name": "Fix commit",
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/nvm-sh/nvm/commit/44e2590cdf257faf7d885e4470be8dc66cec9506"
                },
                {
                    "name": "Release v0.40.4",
                    "tags": [
                        "release-notes"
                    ],
                    "url": "https://github.com/nvm-sh/nvm/releases/tag/v0.40.4"
                },
                {
                    "name": "nvm GitHub repository",
                    "tags": [
                        "product"
                    ],
                    "url": "https://github.com/nvm-sh/nvm"
                },
                {
                    "tags": [
                        "x_introduced"
                    ],
                    "url": "https://github.com/nvm-sh/nvm/pull/3380"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>Upgrade to nvm version 0.40.4 or later, which sanitizes NVM_AUTH_HEADER in the wget code path using nvm_sanitize_auth_header().</p>"
                        }
                    ],
                    "value": "Upgrade to nvm version 0.40.4 or later, which sanitizes NVM_AUTH_HEADER in the wget code path using nvm_sanitize_auth_header()."
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "timeline": [
                {
                    "lang": "en",
                    "time": "2026-01-09T00:00:00.000Z",
                    "value": "Fix committed"
                },
                {
                    "lang": "en",
                    "time": "2026-01-29T00:00:00.000Z",
                    "value": "v0.40.4 released"
                }
            ],
            "title": "Command Injection in nvm via NVM_AUTH_HEADER in wget code path"
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-01-30T18:27:21.196460Z",
                                "id": "CVE-2026-1665",
                                "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": "2026-01-30T18:27:52.134Z"
                }
            }
        ]
    }
}