Missing authorization in Progress WS_FTP Server admin interface
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass, Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862 and CWE-915.
Summary
Progress Software WS_FTP Server versions before 2024.0.7 and before 2025.0.4 on Windows are affected. Missing authorization in the administrative interface lets a delegated Host Administrator exceed their authorized scope. An attacker who holds that delegated role with high privileges can run arbitrary commands with elevated privileges, which can lead to full compromise of the server. The flaw is tracked as CWE-862.
Written with Claude Haiku 5.5 from the sources below · 2026-10-30
Description from the CNA
Missing authorization in the administrative interface of Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to exceed their authorized scope, potentially enabling arbitrary command execution with elevated privileges and complete compromise of the underlying server.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update WS_FTP Server to version 2024.0.7 or 2025.0.4, or later fixed releases in those branches. The sources do not list a vendor advisory identifier for this fix.
Written with Claude Haiku 5.5 from the sources below · 2026-10-30
- Fix · CNA WS_FTP Server (Progress Software) Fixed in 2024.0.7, 2025.0.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Progress Software WS_FTP Server — progress.lightning.force.com/lightning/r/Knowledge__kav/ka7…
15 records Highest priority Priority MEDIUM 6 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2026-82604 Improper authentication in Progress WS_FTP Server exposes credentialsPriority MEDIUM 50
- TI-2026-82613 OS command injection in Progress WS_FTP ServerPriority MEDIUM 46
- TI-2026-82611 Path traversal in Progress WS_FTP Server lets Host Administrators escape scopePriority MEDIUM 43
Timeline
- 2026-10-29 Threatist record created from CVE-2026-90863
- 2026-10-29 Alias added: GHSA-gpxj-xcv2-8mhf
- 2026-10-30 CISA SSVC decision points changed
- 2026-10-30 Priority changed: MEDIUM → LOW
- 2026-10-30 CISA SSVC decision points changed
- 2026-10-31 Priority changed: LOW → MEDIUM
References
More Progress vulnerabilities
- TI-2026-07083 Command injection in Progress LoadMaster KEVCVSS 3.1CRITICAL 9.8
- TI-2024-06182 WhatsUp Gold HasErrors SQL Injection Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2024-04541 WhatsUp Gold GetFileWithoutZip Directory Traversal Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2024-04060 Registration Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2024-01127 LoadMaster Pre-Authenticated OS Command Injection KEVCVSS 3.1CRITICAL 10.0
- TI-2023-20934 WS_FTP Server Ad Hoc Transfer Module .NET Deserialization Vulnerability KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2026-90863 · CVE Program
- CVE-2026-90863 · NVD
- FIRST EPSS
- GHSA-gpxj-xcv2-8mhf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences