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TI-2026-82616 Aliases CVE-2026-90871GHSA-8298-7w39-fvv4

Path Traversal Leading to File Deletion in Progress WS_FTP Server

Priority LOW 30CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Progress Software WS_FTP Server versions before 2024.0.7 and before 2025.0.4 on Windows are affected. An improper limitation of a pathname to a restricted directory (CWE-22) lets an unauthenticated remote attacker affect files outside the intended directory.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00265 18th percentileScored 2026-11-07
Fix Fixed WS_FTP Server (Progress Software): 2024.0.7, 2025.0.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ProgressWS_FTP Serverbefore 2024.0.7; before 2025.0.42024.0.7, 2025.0.4Patch availableCNA
  • WS_FTP Server VendorProgress Affected before 2024.0.7; before 2025.0.4 Fixed in 2024.0.7, 2025.0.4 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:*——Progress
  • cpe:2.3:a:progress:ws_ftp_server:*:*:*:*:*:*:*:* Versions — — ·Progress

Remediation

Upgrade WS_FTP Server to version 2024.0.7 or 2025.0.4.

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
    Show all 15 records → Advisory →

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-90871
  2. 2026-10-29 Alias added: GHSA-8298-7w39-fvv4
  3. 2026-10-30 CISA SSVC decision points changed

References

Advisory 1

  • 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
See all 436 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences