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.
Package Versions Affected
Automatically patch vulnerabilities without upgrading
CVSS Version



Related Resources
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27699.json, https://github.com/patrickjuchli/basic-ftp/commit/2a2a0e6514357b9eda07c2f8afbd3f04727a7cd9, https://github.com/patrickjuchli/basic-ftp/releases/tag/v5.2.0, https://github.com/patrickjuchli/basic-ftp/security/advisories/GHSA-5rq4-664w-9x2c, https://nvd.nist.gov/vuln/detail/CVE-2026-27699
