Vulnerability · Published Oct 29, 2026 · Assigned by ProgressSoftware
CVE-2026-90865Command Injection via FTP Notification Variables in Progress WS_FTP Server
Critical 9.0
In plain English
A critical-severity OS command injection in WS_FTP Server from Progress Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities).
Severity (CVSS 3.1)9.0Critical
Exploit odds (30 days)1.1%top 33.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Progress Software | WS_FTP Server | 0 – before 2024.0.70 – before 2025.0.4 |
Weakness: CWE-78, CWE-88 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H