Virtual Folder Path Confinement Bypass in Progress WS_FTP Server (Progress Software WS_FTP Server)

CVE-2026-90866
CRITICAL 9.1

At a glance

Source
NVD
State
PUBLISHED
Published
Updated
Assigner
ProgressSoftware
NVD status
Awaiting Analysis

Description

A path traversal vulnerability in Progress Software WS_FTP Server versions prior to 2024.0.7 and 2025.0.4 on Windows could allow a delegated Host Administrator to access locations outside their authorized scope, potentially enabling remote code execution.

Weaknesses (CWE)

  • CWE-22 — Improper Limitation of a Pathname to a Restricted Directory
  • CWE-434 — Unrestricted Upload of File with Dangerous Type

References

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HProgressSoftware
CVSS 3.1CRITICAL 9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HNVD · security@progress.com (Secondary)

European references

Affected products

ProductVersions
Progress Software · WS_FTP Serveraffected 0 < 2024.0.7 ; affected 0 < 2025.0.4

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD