CVE-2026-84295Critical· 10.0▾ AbyssalPoC availableImproper authentication in Progress Software WS_FTP Server versions prior to 2024.0.6 and 2025.0.3 on Windows could allow an unauthenticated remote attacker to access sensitive information, including administrative credentials.
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 55 · likelihood 0.1 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.6%
1 GitHub repo (last check)
Improper authentication in Progress Software WS_FTP Server versions prior to 2024.0.6 and 2025.0.3 on Windows could allow an unauthenticated remote attacker to access sensitive information, including administrative credentials.
ws_ftp_server < 2024.0.6ws_ftp_server < 2025.0.3Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Contact Progress Software Technical Support for guidance on available mitigations.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-84296Medium· 6.8SSH Multi-Factor Authentication Bypass in Progress WS_FTP Server
CVE-2026-90861Medium· 6.6Password Disclosure via Activity Logs Enabling Administrator Privilege Escalation in WS_FTP Server
CVE-2026-90862Medium· 4.3Web Transfer Module Multi-Factor Authentication Bypass in Progress WS_FTP Server
CVE-2026-90863Critical· 9.1Privilege Escalation via Missing Authorization in WS_FTP Manager
CVE-2026-90864Critical· 9.1Host Administrator Path Containment Bypass in Progress WS_FTP Server
CVE-2026-90865Critical· 9.0Command Injection via FTP Notification Variables in Progress WS_FTP Server