CVE-2026-90863Critical· 9.1▾ MidnightMissing 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…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 50.1 · likelihood 0.1 · exploitation 0
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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
0.7%
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.
ws_ftp_server < 2024.0.7ws_ftp_server < 2025.0.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Limit delegation of the Host Administrator role to trusted staff, and review existing Host Administrator accounts and their setting's scope and permissions. Contact Progress Software Technical Support for guidance on available mitigations.
Connected by shared product, vendor, weakness, or advisory.
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CVE-2026-90861Medium· 6.6Password Disclosure via Activity Logs Enabling Administrator Privilege Escalation in WS_FTP Server
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