Multi-Factor Authentication Bypass in Progress Software WS_FTP Server
CVE-2026-84296

6.8MEDIUM

Key Information:

Vendor

Progress Software
Status
Ws Ftp Server
Vendor
CVE Published:
29 October 2026

What is CVE-2026-84296?

A multi-factor authentication bypass vulnerability exists in the SSH component of Progress Software's WS_FTP Server. Authenticated users can exploit this flaw to bypass MFA requirements due to improper association of authentication factors between different accounts. This issue affects multiple versions of the WS_FTP Server, specifically those released before version 2024.0.6 and 2025.0.3 on Windows, posing significant risk to account security.

Affected Version(s)

WS_FTP Server Windows 0 < 2024.0.6

WS_FTP Server Windows 0 < 2025.0.3

References

https://progress.lightning.force.com/lightning/r/Knowledg...
vendor-advisory

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tanishq Shah (tanishqshah)
.