Access Control Flaw in Progress WS_FTP Server by Progress
CVE-2026-115337

6.3MEDIUM

Key Information:

Vendor

Progress Software
Status
Ws Ftp Server
Vendor
CVE Published:
9 November 2026

What is CVE-2026-115337?

An improper access control issue has been identified in Progress WS_FTP Server versions prior to 2025.0.5. This flaw allows an authenticated user, who possesses certain folder-management permissions, to circumvent access restrictions. As a result, the user may gain unauthorized access to files that belong to other users, which could lead to data breaches and compromise the confidentiality and integrity of sensitive information. Organizations utilizing affected versions are strongly advised to update their software to mitigate these risks.

Affected Version(s)

WS_FTP Server Windows 2025.0.0 < 2025.0.5

References

https://community.progress.com/s/article/WS-FTP-Server-Se...
vendor-advisory

CVSS V3.1

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mieczkowski Mateusz (rexnets)
.