CVE-2026-115336: Progress Software WS_FTP Server · Incorrect Calculation
Affects Progress Software WS_FTP ServerSource CVE Database V5
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
Thin evidence
One scorer or none| CNA (ProgressSoftware) | CVSS 3.1 | 6.5 |
|---|
- 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:HExploitation evidence
Disclosed: evidence found.
CVE published 9 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Progress SoftwareWS_FTP Server | Affected
| Fixed in
|
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.