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CVE-2026-41324: basic-ftp is an FTP client for Node.js

43
This week
HIGH 7.5REMOTEUPGRADE

CVE-2026-41324 is a high-severity flaw (CVSS 7.5) affecting basic-ftp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • High severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.3% (top 74%)
CISA exploited listNo
WeaknessCWE-400, CWE-770
Published2026-04-24
Last modified2026-10-26
Publisher (CNA): GitHub, Inc. · Vendor: patrickjuchli

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Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

patrickjuchli basic-ftp UPGRADE
Affected: < 5.3.0
Fixed in: 5.3.0
Safe to downgrade to: no unaffected older release
1. Check installed version
npm ls basic-ftp
2. UPGRADE to 5.3.0
npm install basic-ftp@">=5.3.0"
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-41324?

basic-ftp: upgrade to 5.3.0. Exact commands for each OS are on this page.

Is CVE-2026-41324 being exploited?

CVE-2026-41324 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-41324 affect?

CVE-2026-41324 affects basic-ftp. Severity is high (CVSS 7.5). 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

How urgent is CVE-2026-41324?

Priority 43/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Node.js vulnerabilities

Related CVEs

References

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