Insecure XFT Transport in Progress WS_FTP Server

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-115338
StatePUBLISHED
AssignerProgressSoftware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-09 17:17:11 UTC
Updated2026-11-10 05:17:46 UTC
DescriptionInsufficient protection of communications in Progress WS_FTP Server versions prior to 2025.0.5 could allow a network attacker to intercept sensitive information or modify requests when unencrypted connections are used.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-319 | CWE-345 | CWE-319 CWE-319: Cleartext Transmission of Sensitive Information | CWE-345 CWE-345: Insufficient Verification of Data Authenticity

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Progress Software WS FTP Server affected 2025.0.5 custom Windows

References

ReferenceSourceLinkTags
community.progress.com/s/article/WS-FTP-Server-Service-Pack-November-2026 [email protected] community.progress.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Workarounds

CNA: Disable HTTP access to the XFT service and configure clients to use HTTPS only. Invalidate active sessions and rotate credentials known to have been transmitted over HTTP.

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