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CVE-2026-90863EUVD-2026-113020

Privilege Escalation via Missing Authorization in WS_FTP Manager

Published
Last modified
Status
published
Known exploitation
Not listed in CISA KEV
Fix
Fixed in 2024.0.7, 2025.0.4
Public exploit
None on Exploit-DB, Metasploit or GitHub

Summary

The affected software is Progress Software's WS_FTP Server on Windows, specifically its administrative interface. A delegated Host Administrator could exceed their permitted access and potentially run commands with elevated privileges, which could lead to full control of the underlying server.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

Missing authorization in the administrative interface of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to exceed their authorized scope, potentially enabling arbitrary command execution with elevated privileges and complete compromise of the underlying server.

Affected versions

  • Progress Software WS_FTP Server

    fixed in 2024.0.7; fixed in 2025.0.4

References 1

progress.lightning.force.com