Investigate in your agent.

Turn this advisory into a focused investigation. Ask your agent to check your project’s versions, explain the evidence, and suggest a compatible fix.

Your agent needs remote MCP support and access to https://cve.new/mcp.

Read the setup guide

Skip to content
cve.new Create a CVE report
Check your stack
CVE-2026-90864critical9.1

Host Administrator Path Containment Bypass in Progress WS_FTP Server

Impact

A path traversal vulnerability in Progress WS_FTP Server on Windows, versions prior to 2024.0.7 and 2025.0.4, could allow a delegated Host Administrator to access or modify files outside their scope. The attacker must have delegated Host Administrator access. The impact is file access or modification outside authorized boundaries.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

What to do

Limit delegated administrative privileges to trusted personnel. Review folder configurations and account permissions to ensure access remains within authorized boundaries. Contact Progress Software Technical Support for guidance on available mitigations.

ProgressSoftware guidance

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Progress Software · ProgressSoftware

WS_FTP Server

2 ranges
ProgressSoftware version evidence
Platforms: Windows

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 2024.0.7

custom versions

0 → before 2025.0.4

custom versions

unaffected

unknown

Other versions: unaffected

Original source 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 or modify files outside their authorized scope.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-90864

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-22 ↗

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

ProgressSoftware

Related →
CWE-434 ↗

CWE-434: Unrestricted Upload of File with Dangerous Type

ProgressSoftware

Related →
Contributing organizations · 2
ProgressSoftware

Assigning organization

2026-10-29
CISA-ADP

Additional data publisher

2026-10-30

What changed

Follow changes
  1. CVE · CVE-2026-90864

    Observed 2026-10-30T18:55:01.392Z · upstream updated 2026-10-30T17:18:24.999Z

    Prioritization updated

    before

    [
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-10-29T00:00:00+00:00",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "total"
      }
    ]
  }
]

    after

    [
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-10-30T03:56:39.496575Z",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "total"
      }
    ]
  }
]
  2. CVE · CVE-2026-90864

    Observed 2026-10-30T04:16:01.556Z · upstream updated 2026-10-30T03:56:39.056Z

    Prioritization updated

    before

    []

    after

    [
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-10-29T00:00:00+00:00",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "total"
      }
    ]
  }
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.

References

1 sources
progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view
vendor-advisoryProgressSoftware