5.3
MediumCVSS 3.1 · from ProgressSoftware
CVE-2026-90871
Path Traversal Leading to File Deletion in Ad Hoc Transfer and Web Transfer in Progress WS_FTP Server
WS_FTP Server · Path traversal · CWE-22AffectedWS_FTP Server
FixUpdate to 2024.0.7, 2025.0.4 or newer
PublishedOct 29, 15:56 · ProgressSoftware
ScoredOct 29 · 5.3 · ProgressSoftware
Exploit code publicNone known · checked 21:18 UTC
ExploitedNone known · CISA KEV checked 22:06 UTC
What we know
No known exploitation. CISA KEV, checked 22:06 UTC.
No public exploit code known. Exploit-DB, Metasploit, Nuclei, checked 21:18 UTC.
An attacker only needs network access to the target. No login needed. CVSS: network, no privileges.
Description
Improper limitation of a pathname to a restricted directory in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an unauthenticated attacker to affect files outside the intended directory.
From ProgressSoftware
Affected and fixed versions
ProductAffectedFixed inWS_FTP Serverbefore 2024.0.72024.0.7WS_FTP Serverbefore 2025.0.42025.0.4
Exploit code
Exploit-DBnone knownMetasploitnone knownNucleinone known