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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-90869

Pre-Authentication SSH Denial of Service via Malformed Public-Key Signature in Progress WS_FTP Server

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Status
Published
Published
Updated
Assigning organization
ProgressSoftware

Description

A remote attacker who knows a valid account's enrolled SSH public key can terminate the shared SSH service in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Progress Software WS_FTP Server

Default version status: unaffected

  • 0 to < 2024.0.7affected
  • 0 to < 2025.0.4affected

References