{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90508", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-09-12T08:52:32.719Z", "datePublished": "2026-09-13T09:45:07.673Z", "dateUpdated": "2026-09-13T09:45:07.673Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-13T09:45:07.673Z"}, "title": "Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-862", "lang": "en", "description": "Missing Authorization"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-863", "lang": "en", "description": "Incorrect Authorization"}]}], "affected": [{"vendor": "Chengdu Qilu Technology", "product": "Ludashi", "versions": [{"version": "6.1026.4715.714", "status": "affected"}], "cpes": ["cpe:2.3:a:chengdu_qilu_technology:ludashi:*:*:*:*:*:*:*:*"], "modules": ["Message Dispatch Handler"]}], "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 4.6, "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", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 3.4, "vectorString": "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", "baseSeverity": "LOW"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 3.4, "vectorString": "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", "baseSeverity": "LOW"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 2.9, "vectorString": "AV:L/AC:L/Au:M/C:N/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-09-12T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-09-12T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-09-12T10:57:39.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Bigcat (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/403096", "name": "VDB-403096 | Chengdu Qilu Technology Ludashi Message Dispatch ProtectFilter64.sys MessageNotifyCallback authorization", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/403096/cti", "name": "VDB-403096 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-90508", "name": "CVE-2026-90508 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/895271", "name": "Submit #895271 | Chengdu Qilu Technology Ludashi (\u9c81\u5927\u5e08) 6.1026.4715.714 Missing Authentication", "tags": ["third-party-advisory"]}, {"url": "https://gist.github.com/lzty/fc5f336dca4c287ab4c22168b6dc8ec2", "tags": ["exploit"]}], "x_generator": ["VulDB PVTS v202609"]}}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:chengdu_qilu_technology:ludashi:*:*:*:*:*:*:*:*"], "modules": ["Message Dispatch Handler"], "product": "Ludashi", "vendor": "Chengdu Qilu Technology", "versions": [{"status": "affected", "version": "6.1026.4715.714"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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": "CVE-2026-90508", "lastModified": "2026-09-13T10:16:55.900", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "MULTIPLE", "availabilityImpact": "PARTIAL", "baseScore": 2.9, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:M/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 2.5, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.4, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 2.5, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 1.8, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "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": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}, {"lang": "en", "value": "CWE-863"}], "source": "cna@vuldb.com", "type": "Primary"}]}

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