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

A flaw was found in basic-ftp, an FTP client for Node.js. A remote attacker can exploit this vulnerability by injecting Carriage Return Line Feed CRLF sequences into file path parameters used by high-level APIs. This allows the attacker to split a single intended FTP command into multiple command...

@activeboxes/piece-sftp (0.2.6), @activepieces/piece-apify (0.2.1) +24 more potentially affected by CVE-2026-39983 via basic-ftp (>=5.0.2, <=5.1.0)

basic-ftp NPM version =5.0.2, =0.2.6, =1.0.0, =1.0.0, =2.0.18, =1.9.2, =1.2.0, =4.6.0-blowfish, =1.0.3, =1.0.4, =0.1.1, =0.2.0 and more Source cves: CVE-2026-39983 Source advisory: SNYK:JS-BASICFTP-15989098...

GHSA-6V7Q-WJVX-W8WG basic-ftp: Incomplete CRLF Injection Protection Allows Arbitrary FTP Command Execution via Credentials and MKD Commands

Summary basic-ftp's CRLF injection protection added in commit 2ecc8e2 for GHSA-chqc-8p9q-pq6q is incomplete. Two code paths bypass the protectWhitespace control character check: 1 the login method directly concatenates user-supplied credentials into USER/PASS FTP commands without any validation,...

basic-ftp: Incomplete CRLF Injection Protection Allows Arbitrary FTP Command Execution via Credentials and MKD Commands

Summary basic-ftp's CRLF injection protection added in commit 2ecc8e2 for GHSA-chqc-8p9q-pq6q is incomplete. Two code paths bypass the protectWhitespace control character check: 1 the login method directly concatenates user-supplied credentials into USER/PASS FTP commands without any validation,...

CRLF Injection

Overview basic-ftp is a FTP client for Node.js, supports FTPS over TLS, IPv6, Async/Await, and Typescript. Affected versions of this package are vulnerable to CRLF Injection via the login and openDir methods. An attacker can execute arbitrary FTP commands by injecting control characters into...

@activeboxes/piece-sftp (0.2.6), @activepieces/piece-apify (0.2.1) +24 more potentially affected by unknown CVE via basic-ftp (>=5.0.2, <=5.1.0)

basic-ftp NPM version =5.0.2, =0.2.6, =1.0.0, =1.0.0, =2.0.18, =1.9.2, =1.2.0, =4.6.0-blowfish, =1.0.3, =1.0.4, =0.1.1, =0.2.0 and more Source cves: unknown CVE Source advisory: OSV:GHSA-6V7Q-WJVX-W8WG...

SUSE-SU-2026:1244-1 Security update for the Linux Kernel (Live Patch 4 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.16 fixes various security issues The following security issues were fixed: - CVE-2025-39973: i40e: add validation for ringlen param bsc1252036. - CVE-2025-40018: ipvs: Defer ipvsftp unregister during netns cleanup bsc1252689. -...

Unity Linux 20.1070a Security Update: vsftpd (UTSA-2026-007108)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007108 advisory. A flaw was found in vsftpd. This vulnerability allows a denial of service DoS via an integer overflow in the ls command parameter parsing, triggered by a remote,...

CVE-2026-39983

basic-ftp is an FTP client for Node.js. Prior to 5.2.1, basic-ftp allows FTP command injection via CRLF sequences \r\n in file path parameters passed to high-level path APIs such as cd, remove, rename, uploadFrom, downloadTo, list, and removeDir. The library's protectWhitespace helper only handle...

CVE-2026-39983

basic-ftp is an FTP client for Node.js. Prior to 5.2.1, basic-ftp allows FTP command injection via CRLF sequences \r\n in file path parameters passed to high-level path APIs such as cd, remove, rename, uploadFrom, downloadTo, list, and removeDir. The library's protectWhitespace helper only handle...

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...

EUVD-2026-20976

basic-ftp is an FTP client for Node.js. Prior to 5.2.1, basic-ftp allows FTP command injection via CRLF sequences \r\n in file path parameters passed to high-level path APIs such as cd, remove, rename, uploadFrom, downloadTo, list, and removeDir. The library's protectWhitespace helper only handle...

CVE-2026-39983

basic-ftp is an FTP client for Node.js. Prior to 5.2.1, basic-ftp allows FTP command injection via CRLF sequences \r\n in file path parameters passed to high-level path APIs such as cd, remove, rename, uploadFrom, downloadTo, list, and removeDir. The library's protectWhitespace helper only handle...

SUSE-SU-2026:21047-1 Security update for the Linux Kernel (Live Patch 8 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-30.1 fixes various security issues The following security issues were fixed: - CVE-2025-39973: i40e: add validation for ringlen param bsc1252036. - CVE-2025-40018: ipvs: Defer ipvsftp unregister during netns cleanup bsc1252689. -...

Exploit for Improper Neutralization of Null Byte or NUL Character in Wftpserver Wing_Ftp_Server

\ CVE-2025-47812 — Wing FTP Server RCE Research \ Contexte...

ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host

Ruby's Net::FTP module trusted the IP address included in the FTP server's response to the PASV command. A malicious FTP server could use this to make Ruby applications using the Net::FTP module to connect to arbitrary hosts and use this to perform port scanning or information extraction from...

Basic FTP 安全漏洞

Basic FTP is a Node.js FTP client library developed by Patrick Juchli. Versions of Basic FTP prior to 5.2.1 contained a security vulnerability; this vulnerability stemmed from the possibility of CRLF sequences being present in file path parameters, which could lead to FTP command injection attack...

CRLF Injection

Overview basic-ftp is a FTP client for Node.js, supports FTPS over TLS, IPv6, Async/Await, and Typescript. Affected versions of this package are vulnerable to CRLF Injection via unsanitized path parameters in the protectWhitespace function. An attacker can execute arbitrary FTP commands by...

GHSA-CHQC-8P9Q-PQ6Q basic-ftp has FTP Command Injection via CRLF

Summary basic-ftp version 5.2.0 allows FTP command injection via CRLF sequences \r\n in file path parameters passed to high-level path APIs such as cd, remove, rename, uploadFrom, downloadTo, list, and removeDir. The library's protectWhitespace helper only handles leading spaces and returns other...