CVE-2026-41324

HIGH

basic-ftp vulnerable to denial of service via unbounded memory consumption in Client.list()

Title source: cna
STIX 2.1

Description

basic-ftp is an FTP client for Node.js. Versions prior to 5.3.0 are vulnerable to denial of service through unbounded memory growth while processing directory listings from a remote FTP server. A malicious or compromised server can send an extremely large or never-ending listing response to `Client.list()`, causing the client process to consume memory until it becomes unstable or crashes. Version 5.3.0 fixes the issue.

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0033
EPSS Percentile 24.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-400 CWE-770
Status published
Products (2)
npm/basic-ftp 0 - 5.3.0npm
patrickjuchli/basic-ftp < 5.3.0 (2 CPE variants)
Published Apr 24, 2026
Tracked Since Apr 24, 2026