CVE-2026-90862

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

Published Oct 29, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

Restrict Web Transfer Module access to trusted networks and users, and disable Web Transfer functionality if it is not required. Contact Progress Software Technical Support for guidance on available mitigations.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Progress
Progress ws Ftp Server
Progress Software
Progress Software ws Ftp Server
Vendors & Products Progress
Progress ws Ftp Server
Progress Software
Progress Software ws Ftp Server
Type Values Removed Values Added
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.
Title Web Transfer Module Multi-Factor Authentication Bypass in Progress WS_FTP Server
Weaknesses CWE-287
CWE-308
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ProgressSoftware
Published
Updated
Oct 30, 2026, 5:14 PM
Reserved
Sep 14, 2026, 6:09 AM
Status
Awaiting Analysis
Published
Oct 29, 2026, 4:20 PM
Modified
Oct 30, 2026, 6:18 PM