CVE-2026-115339

Unauthenticated XFT Memory Exhaustion in Progress WS_FTP Server

Published Nov 9, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Insufficient resource limits in Progress Software WS_FTP Server releases prior to 2025.0.5 on Windows could allow an unauthenticated remote attacker to cause denial of service.

Remediation

Vendor Workaround

Reduce XFT service message-size and array-size limits to the minimum required for normal transfers. Contact Progress Software Technical Support for guidance on configuring these limits.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Progress
Progress ws Ftp Server
Progress Software
Progress Software ws Ftp Server
Vendors & Products Progress
Progress ws Ftp Server
Progress Software
Progress Software ws Ftp Server
Type Values Removed Values Added
Description Insufficient resource limits in Progress Software WS_FTP Server releases prior to 2025.0.5 on Windows could allow an unauthenticated remote attacker to cause denial of service.
Title Unauthenticated XFT Memory Exhaustion in Progress WS_FTP Server
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ProgressSoftware
Published
Updated
Nov 12, 2026, 5:03 PM
Reserved
Oct 22, 2026, 10:41 AM
Status
Undergoing Analysis
Published
Nov 9, 2026, 5:17 PM
Modified
Nov 12, 2026, 5:17 PM