Skip to main content
VulnerabilityPublished

CVE-2026-115336: Progress Software WS_FTP Server · Incorrect Calculation

Affects Progress Software WS_FTP ServerSource CVE Database V5

0
Compare

Not known to be exploited · CVSS 6.5 Medium : upgrade to 2025.0.5 when convenient.

Data as of 9 Nov 2026, 17:05 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (ProgressSoftware)CVSS 3.16.5
Patch
Available – fixed in 2025.0.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade Progress Software WS_FTP Server to 2025.0.5.

Affected software

ProductAffectedFixed in
Progress SoftwareWS_FTP ServerAffected
  • >=2025.0.0 <2025.0.5
Fixed in
  • 2025.0.5

AI-suggested

Upgrade WS_FTP Server to version 2025.0.5 or later, where this quota accounting issue is fixed. No other mitigation is indicated or required.

Description

CVE-2026-115336 is a vulnerability in Progress Software WS_FTP Server on Windows where incorrect quota accounting allows authenticated users with upload and delete permissions to exceed storage quotas. This flaw affects versions from 2025.0.0 up to but not including 2025.0.5. Exploitation could lead to denial of service by exhausting storage resources. The issue is fixed in version 2025.0.5.

References

Community reviews

Loading reviews…