CVE-2026-115341

Unauthorized File Disclosure via Path Traversal in Thin Client Web Transfer in Progress WS_FTP Server

Published Nov 9, 2026 CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Description
Improper access restrictions in the Thin Client Web Transfer component of Progress Software WS_FTP Server versions prior to 2025.0.5 on Windows could allow an authenticated FTP user to access files outside their intended scope.

Remediation

Vendor Workaround

Restrict network access to the Thin Client Web Transfer HTTPS endpoint to trusted hosts, or disable Web Transfer functionality if it is not required. Contact Progress Software Technical Support for guidance on available mitigations.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Progress
Progress ws Ftp Server
Progress Software
Progress Software ws Ftp Server
Vendors & Products Progress
Progress ws Ftp Server
Progress Software
Progress Software ws Ftp Server
Type Values Removed Values Added
Description Improper access restrictions in the Thin Client Web Transfer component of Progress Software WS_FTP Server versions prior to 2025.0.5 on Windows could allow an authenticated FTP user to access files outside their intended scope.
Title Unauthorized File Disclosure via Path Traversal in Thin Client Web Transfer in Progress WS_FTP Server
Weaknesses CWE-22
CWE-862
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ProgressSoftware
Published
Updated
Nov 9, 2026, 5:34 PM
Reserved
Oct 22, 2026, 10:41 AM
Status
Undergoing Analysis
Published
Nov 9, 2026, 5:17 PM
Modified
Nov 9, 2026, 6:17 PM