CVE-2026-115336

FTP Quota Accounting Bypass in Progress WS_FTP Server

6.5 Medium

Incorrect quota accounting in Progress Software WS_FTP Server releases prior to 2025.0.5 on Windows could allow an authenticated user with upload and delete permissions to exceed storage quotas, potentially causing denial of service.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

What each source reports

CVE List Score used 6.5

FTP Quota Accounting Bypass in Progress WS_FTP Server

Record: CVE-2026-115336
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-682
Updated: 2026-11-09

EUVDEUVD-2026-120110 6.5

Record: EUVD-2026-120110
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-09

GitHub AdvisoriesGHSA-7x5c-9cmp-g47f 6.5

Incorrect quota accounting in Progress Software WS_FTP Server releases prior to 2025.0.5 on...

Record: GHSA-7x5c-9cmp-g47f
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-682
Updated: 2026-11-09

Affected products

History

History
Recorded	Changed	Sources
Nov 9, 2026	published	EUVD
Nov 9, 2026	aliases, references	GitHub Advisories
Nov 9, 2026	aliases, products, published	EUVD
Nov 9, 2026	first indexed	CVE List

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-115336 is a medium vulnerability (CVSS 6.5) in Progress Software Ws Ftp Server, published November 9, 2026. No source lists public exploit code. No source names a fixed version.