CVE-2026-115341
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Improper Access Restrictions in WS_FTP Server

Publication date: 2026-11-09

Last updated on: 2026-11-09

Assigner: Progress Software Corporation

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.

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Meta Information

Published
2026-11-09
Last Modified
2026-11-09
Generated
2026-11-09
AI Q&A
2026-11-09
EPSS Evaluated
N/A
NVD
CVE-2026-115341
EUVD
EUVD-2026-120112

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Progress Software WS_FTP Server From 0 (inc) to 2025.0.5 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

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Executive Summary

This vulnerability is an improper access restriction in the Thin Client Web Transfer component of Progress Software WS_FTP Server versions before 2025.0.5 on Windows. It allows an authenticated FTP user to access files outside their intended scope.

Impact Analysis

An attacker with authenticated FTP access could read sensitive files they should not have permission to access, potentially leading to data breaches or unauthorized information disclosure.

Compliance Impact

This vulnerability could violate compliance requirements such as GDPR or HIPAA by allowing unauthorized access to personal or protected health information, leading to legal penalties and reputational damage.

Mitigation Strategies

Update WS_FTP Server to version 2025.0.5 or later to address the improper access restrictions in the Thin Client Web Transfer component.

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