Path traversal in WS_FTP - CVE-2026-84294
Published: October 29, 2026
Vulnerability identifier: #VU158494
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-84294
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to access files outside their authorized scope and disclose sensitive information.
The vulnerability exists due to path traversal in the Ad Hoc Transfer component of Progress WS_FTP Server when handling file access requests. A remote user can submit a crafted file path to access files outside their authorized scope.
Affected software
WS_FTP
How to mitigate CVE-2026-84294
Install security update from vendor's website.
WS_FTP - addressed in versions 9.0.7, 10.0.4