npmPackage

basic-ftp

5 known vulnerabilities (1 critical, 4 high), with the versions each affects and the releases that fix them.

Latest release: 6.2.6 (Nov 4, 2026): no advisory affects it
Newest unaffected release: 6.2.6 (Nov 4, 2026), the latest release
Advisories: 5 · 1 critical, 4 high

Weekly downloads: 32.8M
Releases: 129 since 1.0.0 (Dec 30, 2017)
Registry: npm
Releases read: Nov 8, 2026

Version timeline

CVE-2026-102990
Affects 1.0.0 to 6.2.0 (6.2.1 is outside it)
CVE-2026-44240
Affects 1.0.0 to 5.3.0 (5.3.1 is outside it)
CVE-2026-41324
Affects 1.0.0 to 5.2.2 (5.3.0 is outside it)
CVE-2026-39983
Affects 5.2.0 (5.2.1 is outside it)
CVE-2026-27699
Affects 1.0.0 to 5.1.0 (5.2.0 is outside it)

Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 5

CVE-2026-102990High 8.2
basic-ftp: Quadratic-time CPU denial of service in Client.list() Unix directory-listing parser (RE_LINE backtracking)
Affected: fixed in 6.2.1.
Fixed in 6.2.1 (released Aug 27, 2026, 34 days before disclosure).
The latest release, 6.2.6, is not affected.
88% of basic-ftp downloads last week were affected versions (32.9M).
CVE-2026-44240High 7.5
basic-ftp allows a malicious FTP server to cause client-side denial of service via unbounded multiline control response buffering
Affected: fixed in 5.3.1.
Fixed in 5.3.1 (released Apr 28, 2026, 14 days before disclosure).
The latest release, 6.2.6, is not affected.
33% of basic-ftp downloads last week were affected versions (12.4M).
CVE-2026-41324High 7.5
basic-ftp vulnerable to denial of service via unbounded memory consumption in Client.list()
Affected: fixed in 5.3.0.
Fixed in 5.3.0 (released Apr 15, 2026, 9 days before disclosure).
The latest release, 6.2.6, is not affected.
32% of basic-ftp downloads last week were affected versions (11.8M).
CVE-2026-39983High 8.6
FTP Command Injection via CRLF in basic-ftp
Affected: from 5.2.0, fixed in 5.2.1.
Fixed in 5.2.1 (released Apr 8, 2026, 1 day before disclosure).
The latest release, 6.2.6, is not affected.
4.9% of basic-ftp downloads last week were affected versions (1.9M).
CVE-2026-27699Critical 9.1
Basic FTP has Path Traversal Vulnerability in its downloadToDir() method
Affected: fixed in 5.2.0.
Fixed in 5.2.0 (released Feb 23, 2026, 2 days before disclosure).
The latest release, 6.2.6, is not affected.
25% of basic-ftp downloads last week were affected versions (9.5M).