CVE-2026-90862: medium-severity vulnerability in Progress Software WS_FTP Server
Web Transfer Module Multi-Factor Authentication Bypass in Progress WS_FTP Server
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.3epss 0.2%
Improper authentication in the Web Transfer Module of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an attacker with a user’s password to access certain files associated with that account without satisfying multi-factor authentication requirements.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Affected products
Progress Software · WS_FTP ServerRelated CVEs — Progress Software WS_FTP Server
In the same product, most dangerous first.
CVE-2026-90868CRITICALOS Command Injection in Progress WS_FTP ServerEPSS 1.5%CVE-2026-90865CRITICALCommand Injection via FTP Notification Variables in Progress WS_FTP ServerEPSS 1.1%CVE-2026-90866CRITICALVirtual Folder Path Confinement Bypass in Progress WS_FTP ServerEPSS 0.7%CVE-2026-90863CRITICALPrivilege Escalation via Missing Authorization in WS_FTP ManagerEPSS 0.7%CVE-2026-84295CRITICALImproper Authentication in Progress WS_FTP ServerEPSS 0.6%CVE-2026-90864CRITICALHost Administrator Path Containment Bypass in Progress WS_FTP ServerEPSS 0.5%