Vulnerability · Published Oct 29, 2026 · Assigned by ProgressSoftware

CVE-2026-90868OS Command Injection in Progress WS_FTP Server

Critical 9.9

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 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)1.5%top 25.7% 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 under certain configurations.

Affected products (as reported)

VendorProductVersions
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:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References