SSH Multi-Factor Authentication Bypass in Progress WS_FTP Server

published 2026-10-29 10 d ago modified 2026-10-30 9 d ago also EUVD-2026-113017

cvss: 6.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Progress Software WS_FTP Server 2024.0.6, 2025.0.3

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 10 d ago (2026-10-30)

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.8	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected products

Progress Software WS_FTP Server

Classification

Weakness

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

References

progress.lightning.force.com /lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view
vendor-advisory

Sources

CVE List CVE-2026-84296
NVD CVE-2026-84296

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary