CVE-2026-84295 Progress Software WS_FTP Server - Authentication Bypass

Progress Software WS_FTP Server < 2024.0.6 and < 2025.0.3 on Windows contains an authentication bypass caused by improper authentication, letting unauthenticated remote attackers access sensitive information including administrative credentials, exploit requires network access.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.55% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
29 October 2026
Updated
31 October 2026
Weakness
CWE-287

Vendor fix

Upgrade to version 2024.0.6 or 2025.0.3 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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