Vulnerability-Lookup

CVE-2026-90508 (GCVE-0-2026-90508)

Vulnerability from cvelistv5 – Published: 2026-09-13 09:45 – Updated: 2026-09-15 14:00

Title

Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization

Summary

A security flaw has been discovered in Chengdu Qilu Technology Ludashi 6.1026.4715.714. Affected by this vulnerability is the function MessageNotifyCallback in the library ProtectFilter64.sys of the component Message Dispatch Handler. Performing a manipulation results in missing authorization. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Severity

4.6 (Medium)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

3.4 (Low)


                        
                          CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R

3.4 (Low)


                        
                          CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 13:42 UTC

CWE

CWE-862 - Missing Authorization
CWE-863 - Incorrect Authorization

Assigner

VulDB mitre root

References

5 references

URL	Tags
https://vuldb.com/vuln/403096	vdb-entrytechnical-description
https://vuldb.com/vuln/403096/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90508	third-party-advisory
https://vuldb.com/submit/895271	third-party-advisory
https://gist.github.com/lzty/fc5f336dca4c287ab4c2…	exploit

Impacted products

1 product

Vendor	Product	Version	CPE status
Chengdu Qilu Technology	Ludashi	Affected: 6.1026.4715.714 cpe:2.3:a:chengdu_qilu_technology:ludashi::::::::

Credits

Bigcat (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-90508

Vulnerability from fkie_nvd - Published: 2026-09-13 10:16 - Updated: 2026-09-14 20:56

Severity

3.4 (Low) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L

Summary

References

	URL	Tags
	cna@vuldb.com	https://gist.github.com/lzty/fc5f336dca4c287ab4c22168b6dc8ec2
	cna@vuldb.com	https://vuldb.com/cve/CVE-2026-90508
	cna@vuldb.com	https://vuldb.com/submit/895271
	cna@vuldb.com	https://vuldb.com/vuln/403096
	cna@vuldb.com	https://vuldb.com/vuln/403096/cti

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:chengdu_qilu_technology:ludashi:*:*:*:*:*:*:*:*"
          ],
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  "id": "CVE-2026-90508",
  "lastModified": "2026-09-14T20:56:48.220",
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          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "cna@vuldb.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-09-13T10:16:55.900",
  "references": [
    {
      "source": "cna@vuldb.com",
      "url": "https://gist.github.com/lzty/fc5f336dca4c287ab4c22168b6dc8ec2"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/cve/CVE-2026-90508"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/submit/895271"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/403096"
    },
    {
      "source": "cna@vuldb.com",
      "url": "https://vuldb.com/vuln/403096/cti"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        },
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Primary"
    }
  ]
}

GHSA-4JV3-G8RW-VXW2

Vulnerability from github – Published: 2026-09-13 12:31 – Updated: 2026-09-13 12:31

Details

Severity

3.4 (Low)


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

1.8 (Low)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-90508"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-13T10:16:55Z",
    "severity": "LOW"
  },
  "details": "A security flaw has been discovered in Chengdu Qilu Technology Ludashi 6.1026.4715.714. Affected by this vulnerability is the function MessageNotifyCallback in the library ProtectFilter64.sys of the component Message Dispatch Handler. Performing a manipulation results in missing authorization. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.",
  "id": "GHSA-4jv3-g8rw-vxw2",
  "modified": "2026-09-13T12:31:10Z",
  "published": "2026-09-13T12:31:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90508"
    },
    {
      "type": "WEB",
      "url": "https://gist.github.com/lzty/fc5f336dca4c287ab4c22168b6dc8ec2"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-90508"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/895271"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/403096"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/403096/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2026-90508 (GCVE-0-2026-90508)

FKIE_CVE-2026-90508

GHSA-4JV3-G8RW-VXW2

Tags

Sightings

Nomenclature