What is CVE-2026-44240?

CVE-2026-44240 is a high-severity vulnerability in Patrickjuchli Basic-ftp, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-05-12.

How severe is CVE-2026-44240?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Patrickjuchli Basic-ftp

CVE-2026-44240

basic-ftp is an FTP client for Node.js. Prior to 5.3.1, basic-ftp is vulnerable to client-side denial of service when parsing FTP control-channel multiline responses. A malicious or compromised FTP server can send an unterminated multiline…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.000 (8.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Patrickjuchli Basic-ftp — versions < 5.3.1

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption
CWE-770 — Allocation of Resources Without Limits or Throttling

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-44240?: CVE-2026-44240 is a high-severity vulnerability in Patrickjuchli Basic-ftp, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-05-12.
How severe is CVE-2026-44240?: High severity. CVSS v3 base score is 7.5 out of 10.