CVE-2026-90862

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

State: Published
Severity: 4.3 Medium
Published: Oct 29, 2026
Updated: Oct 29, 2026
Reserved: Sep 14, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N	ProgressSoftware

Weaknesses

CWE-287 Improper Authentication
CWE-308 Use of Single-factor Authentication

Affected Products

Product	Versions
WS_FTP ServerProgress Software	before 2024.0.7Affected before 2025.0.4Affected

References

https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/viewvendor-advisory

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