{"id":"CVE-2026-1665","aliases":["EUVD-2026-5014"],"status":"published","title":"Command Injection in nvm via NVM_AUTH_HEADER in wget code path","description":"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'.","severity":{"version":"4.0","score":5.4,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00779,"percentile":0.56159,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78","CWE-95"],"published":"2026-01-29T23:04:05Z","modified":"2026-10-28T02:31:14Z","products":[{"vendor":"nvm-sh","product":"nvm"}],"references":[{"url":"https://github.com/nvm-sh/nvm/commit/44e2590cdf257faf7d885e4470be8dc66cec9506","tags":["patch","fix"]},{"url":"https://github.com/nvm-sh/nvm/releases/tag/v0.40.4","tags":["release-notes","advisory"]},{"url":"https://github.com/nvm-sh/nvm","tags":["product","package"]},{"url":"https://github.com/nvm-sh/nvm/pull/3380","tags":["x_introduced","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/1xxx/CVE-2026-1665.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1665","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-1665","title":"Command Injection in nvm via NVM_AUTH_HEADER in wget code path","description":"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'.","status":"published","published":"2026-01-29T23:04:05.741Z","modified":"2026-01-30T18:27:52.134Z","cvss":[{"version":"4.0","score":5.4,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-78","CWE-95"],"updated_at":"2026-11-02T14:20:01.271368Z"}],"euvd":[{"id":"EUVD-2026-5014","description":"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'.","status":"published","published":"2026-01-29T23:04:05Z","modified":"2026-01-30T18:27:52Z","cvss":[{"version":"4.0","score":5.4,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T19:48:45.464917Z"}],"nvd":[{"id":"CVE-2026-1665","description":"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'.","status":"published","published":"2026-01-29T23:16:11.707Z","modified":"2026-06-17T10:16:16.76Z","cvss":[{"version":"4.0","score":5.4,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-78","CWE-95"],"updated_at":"2026-11-02T14:12:04.769088Z"}],"osv":[{"id":"CVE-2026-1665","title":"Command Injection in nvm via NVM_AUTH_HEADER in wget code path","description":"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'.","status":"published","published":"2026-01-29T23:04:05.741Z","modified":"2026-10-28T02:31:14.758822102Z","cvss":[{"version":"4.0","score":5.4,"vector":"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","level":"medium"}],"cwes":["CWE-78","CWE-95"],"updated_at":"2026-11-02T15:44:57.682091Z"}]}}