The vulnerability of the protectWhitespace() function in the FTP-client library basic-ftp of the Node.js software platform allows a hacker to execute arbitrary commands.

The vulnerability of the protectWhitespace function in the FTP-client library of the Node.js software platform’s basic-ftp library is related to the failure to take measures to neutralize CRLF sequences. Exploiting this vulnerability could allow a remote attacker to execute arbitrary commands...

CVE-2026-39983

Summary: CVE-2026-39983 affects the Node.js FTP client package basic-ftp prior to v5.2.1. The vulnerability arises from FTP command injection via CRLF sequences (\r\n) in file path parameters passed to high-level APIs (cd(), remove(), rename(), uploadFrom(), downloadTo(), list(), removeDir()). Th...