Allocation of Resources Without Limits or Throttling Affecting basic-ftp package, versions <5.3.1
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JS-BASICFTP-16438941
- published7 May 2026
- disclosed6 May 2026
- creditthesmartshadow
Introduced: 6 May 2026
CVE-2026-44240 (opens in a new tab)How to fix?
Upgrade basic-ftp to version 5.3.1 or higher.
Overview
basic-ftp is a FTP client for Node.js, supports FTPS over TLS, IPv6, Async/Await, and Typescript.
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the connect function. An attacker can cause excessive memory and CPU consumption, leading to application unavailability or service degradation, by sending an unterminated multiline FTP control response from a malicious or compromised FTP server before authentication. No user interaction or valid credentials are required for exploitation.