Path Traversal in Patrickjuchli Basic-ftp
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 t…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.005 (41.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Patrickjuchli Basic-ftp — versions < 5.2.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-27699?
- CVE-2026-27699 is a critical-severity vulnerability in Patrickjuchli Basic-ftp, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-02-25.
- How severe is CVE-2026-27699?
- Critical severity. CVSS v3 base score is 9.1 out of 10.