SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-90868

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.

CRITICAL 9.9EPSS 1.49%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
1.49% probability · 74th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78, CWE-88
Source
security@progress.com
EPSS trend
0%3%5%30 October 2026: 1.49%3 November 2026: 1.49%30 October 20263 November 2026

EPSS moved from 1.5% on 30 October 2026 to 1.5% on 3 November 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.