CVE-2026-84296 PUBLISHED

SSH Multi-Factor Authentication Bypass in Progress WS_FTP Server

Assigner: ProgressSoftware
Reserved: 01.09.2026 Published: 29.10.2026 Updated: 29.10.2026

Multi-Factor Authentication Bypass vulnerability in SSH component in Progress Software WS_FTP Server versions prior to 2024.0.6, and 2025.0.3 on Windows allows authenticated users to bypass MFA requirements through improper association of authentication factors between accounts.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS Score: 6.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Progress Software
Product	WS_FTP Server
Versions	Default: unaffected affected from 0 to 2024.0.6 (excl.) affected from 0 to 2025.0.3 (excl.)

Workarounds

There are no workarounds that address this vulnerability.

Credits

Tanishq Shah (tanishqshah) finder

References

https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view

Problem Types

CWE-303: Incorrect Implementation of Authentication Algorithm CWE
CWE-287: Improper Authentication CWE

Impacts

Authentication Abuse - bypasses multi-factor authentication through improper cross-account association of authentication factors