Vulnerability Details CVE-2026-27699
The `basic-ftp` FTP client library for Node.js contains a path traversal vulnerability (CWE-22) in versions prior to 5.2.0 in the `downloadToDir()` method. A malicious FTP server can send directory listings with filenames containing path traversal sequences (`../`) that cause files to be written outside the intended download directory. Version 5.2.0 patches the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 22.1%
CVSS Severity
CVSS v3 Score 9.1
Products affected by CVE-2026-27699
-
cpe:2.3:a:patrickjuchli:basic-ftp:1.0.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:1.0.3
-
cpe:2.3:a:patrickjuchli:basic-ftp:1.0.4
-
cpe:2.3:a:patrickjuchli:basic-ftp:1.0.5
-
cpe:2.3:a:patrickjuchli:basic-ftp:1.0.6
-
cpe:2.3:a:patrickjuchli:basic-ftp:1.0.7
-
cpe:2.3:a:patrickjuchli:basic-ftp:1.0.8
-
cpe:2.3:a:patrickjuchli:basic-ftp:1.0.9
-
cpe:2.3:a:patrickjuchli:basic-ftp:1.1.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:1.1.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:1.2.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.0.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.1.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.10.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.11.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.12.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.12.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.12.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.12.3
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.13.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.13.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.13.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.14.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.14.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.14.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.14.3
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.14.4
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.15.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.16.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.16.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.17.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.17.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.2.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.2.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.3.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.3.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.3.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.3.3
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.4.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.4.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.4.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.5.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.5.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.5.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.6.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.6.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.6.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.7.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.7.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.8.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.8.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.8.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.8.3
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.9.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.9.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:2.9.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.0.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.1.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.1.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.2.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.2.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.2.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.3.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.3.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.4.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.4.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.4.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.4.3
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.4.4
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.5.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.6.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.7.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.7.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.8.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.8.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.8.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:3.8.3
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.0.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.0.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.0.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.1.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.2.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.2.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.3.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.3.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.3.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.4.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.4.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.5.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.5.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.5.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.5.3
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.5.4
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.6.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.6.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.6.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.6.3
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.6.4
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.6.5
-
cpe:2.3:a:patrickjuchli:basic-ftp:4.6.6
-
cpe:2.3:a:patrickjuchli:basic-ftp:5.0.0
-
cpe:2.3:a:patrickjuchli:basic-ftp:5.0.1
-
cpe:2.3:a:patrickjuchli:basic-ftp:5.0.2
-
cpe:2.3:a:patrickjuchli:basic-ftp:5.0.3
-
cpe:2.3:a:patrickjuchli:basic-ftp:5.0.4
-
cpe:2.3:a:patrickjuchli:basic-ftp:5.0.5
-
cpe:2.3:a:patrickjuchli:basic-ftp:5.1.0