Vulnerability · Published Oct 29, 2026 · Assigned by ProgressSoftware

CVE-2026-90862Web Transfer Module Multi-Factor Authentication Bypass in Progress WS_FTP Server

Medium 4.3

In plain English

A medium-severity improper authentication 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 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 87.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper authentication in the Web Transfer Module of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an attacker with a user’s password to access certain files associated with that account without satisfying multi-factor authentication requirements.

Affected products (as reported)

VendorProductVersions
Progress Software WS_FTP Server 0 – before 2024.0.70 – before 2025.0.4

Weakness: CWE-287, CWE-308 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References