CVE-2026-90865 PUBLISHED

Command Injection via FTP Notification Variables in Progress WS_FTP Server

Assigner: ProgressSoftware
Reserved: 14.09.2026 Published: 29.10.2026 Updated: 29.10.2026

An OS command injection vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow arbitrary command execution with elevated privileges under certain configurations.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 9

Product Status

Vendor Progress Software
Product WS_FTP Server
Versions Default: unaffected
  • affected from 0 to 2024.0.7 (excl.)
  • affected from 0 to 2025.0.4 (excl.)

Workarounds

Contact Progress Software Technical Support for guidance on available mitigations.

Credits

  • Mieczkowski Mateusz (rexnets) finder

References

Problem Types

  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE
  • CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') CWE

Impacts

  • OS Command Injection - allows execution of arbitrary commands with LocalSystem privileges