Vulnerability-Lookup

CVE-2026-90863 (GCVE-0-2026-90863)

Vulnerability from cvelistv5 – Published: 2026-10-29 15:49 – Updated: 2026-10-30 17:18

Title

Privilege Escalation via Missing Authorization in WS_FTP Manager

Summary

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.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-30 03:56 UTC

CWE

CWE-915 - Improperly Controlled Modification of Dynamically-Determined Object Attributes
CWE-862 - Missing Authorization

Assigner

ProgressSoftware CNA under the mitre root

CNA scorecard B 78/100 over 160 records in the last 180 days details

References

1 reference

URL	Tags
https://progress.lightning.force.com/lightning/r/…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
Progress Software	WS_FTP Server	Affected: 0 , < 2024.0.7 (custom) Affected: 0 , < 2025.0.4 (custom)	guessed

Credits

Niv Levy (restricted)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-90863

Vulnerability from fkie_nvd - Published: 2026-10-29 16:20 - Updated: 2026-10-30 04:18

Severity

9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Summary

References

	URL	Tags
	security@progress.com	https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "product": "WS_FTP Server",
          "vendor": "Progress Software",
          "versions": [
            {
              "lessThan": "2024.0.7",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThan": "2025.0.4",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
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    }
  ],
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      "lang": "en",
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    }
  ],
  "id": "CVE-2026-90863",
  "lastModified": "2026-10-30T04:18:28.807",
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          "attackVector": "NETWORK",
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          "baseScore": 9.1,
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
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          "userInteraction": "NONE",
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GHSA-GPXJ-XCV2-8MHF

Vulnerability from github – Published: 2026-10-29 18:31 – Updated: 2026-10-29 18:31

Details

Severity

9.1 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-90863"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-29T16:20:04Z",
    "severity": "CRITICAL"
  },
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  "id": "GHSA-gpxj-xcv2-8mhf",
  "modified": "2026-10-29T18:31:07Z",
  "published": "2026-10-29T18:31:07Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90863"
    },
    {
      "type": "WEB",
      "url": "https://progress.lightning.force.com/lightning/r/Knowledge__kav/ka7Pb000001vl86IAA/view"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-90863 (GCVE-0-2026-90863)

FKIE_CVE-2026-90863

GHSA-GPXJ-XCV2-8MHF

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour