Description
Improper limitation of a pathname to a restricted directory in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an unauthenticated attacker to affect files outside the intended directory.
Published: 2026-10-29
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor Workaround

By default the affected anonymous account can only delete files it previously created; ensure it is not granted broader write/delete permissions than required on Ad Hoc Transfer and Web Transfer related directories. Contact Progress Software Technical Support for guidance on available mitigations.

Tracking

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Advisories

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History

Fri, 30 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 29 Oct 2026 20:30:00 +0000

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

Thu, 29 Oct 2026 16:00:00 +0000

Type Values Removed Values Added
Description Improper limitation of a pathname to a restricted directory in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow an unauthenticated attacker to affect files outside the intended directory.
Title Path Traversal Leading to File Deletion in Ad Hoc Transfer and Web Transfer in Progress WS_FTP Server
Weaknesses CWE-22
CWE-73
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


Subscriptions

Progress Ws Ftp Server
Progress Software Ws Ftp Server
cve-icon MITRE

Status: PUBLISHED

Assigner: ProgressSoftware

Published:

Updated: 2026-10-30T17:15:33.651Z

Reserved: 2026-09-14T06:10:04.370Z

Link: CVE-2026-90871

cve-icon Vulnrichment

Updated: 2026-10-30T17:15:29.271Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-29T16:20:05.307

Modified: 2026-10-30T18:18:17.843

Link: CVE-2026-90871

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-29T20:15:14Z

Weaknesses