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No exploitation reportedAwaiting NVD analysis

CVE-2026-115339

Unauthenticated XFT Memory Exhaustion in Progress WS_FTP Server

No exploitation reported by the sources we read.

  • Published2026-11-09
  • WeaknessCWE-770

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Insufficient resource limits in Progress Software WS_FTP Server releases prior to 2025.0.5 on Windows could allow an unauthenticated remote attacker to cause denial of service.

Timeline

dates in UTC
  1. 2026-11-0916:46CVE publishedCNA

Versions per branch

Products declared by the CNA

As ProgressSoftware, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Progress Software WS_FTP Serverother versions: not affected

    platforms: Windows

    Affected
    • < 2025.0.5fixed in 2025.0.5custom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-09

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-115339 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2026-11-09
Last Modified
2026-11-09
NVD status
Undergoing Analysis
GitHub Advisory
GHSA-r5wv-jw69-xvqc

Frequently asked questions

What is CVE-2026-115339?

Insufficient resource limits in Progress Software WS_FTP Server releases prior to 2025.0.5 on Windows could allow an unauthenticated remote attacker to cause denial of service.

Is CVE-2026-115339 actively exploited?

Active exploitation of CVE-2026-115339 has not been confirmed.

What is the CVSS score for CVE-2026-115339?

CVE-2026-115339 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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