{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-82879", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-08-31T08:38:43.268Z", "datePublished": "2026-08-31T10:51:05.222Z", "dateUpdated": "2026-08-31T10:51:05.222Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-08-31T10:51:05.222Z"}, "datePublic": "2026-07-30T00:00:00.000Z", "title": "DataEase before 2.10.26 Access Control Bypass via Share Tickets", "descriptions": [{"lang": "en", "value": "DataEase before 2.10.26 contains multiple access control defects in the sharing link module. Tickets are not bound to the target share UUID, so a valid ticket issued for one share can be reused against another (ShareTicketManage.validateTicket / POST /de2api/share/proxyInfo). The POST /de2api/share/validate endpoint issues a LinkToken after password verification without requiring a ticket, bypassing the 'ticket mandatory' policy. Additionally, the ticket create and delete endpoints (POST /de2api/ticket/saveTicket, POST /de2api/ticket/delTicket) lack share-ownership checks, allowing an authenticated user who knows another user's ticket to modify, rebind, or delete it (denial of service), and GET /de2api/share/queryRelationByUserId/{uid} allows authenticated users to enumerate other users' share mappings."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Incorrect Authorization", "cweId": "CWE-863", "type": "CWE"}]}], "affected": [{"vendor": "dataease", "product": "dataease", "defaultStatus": "unaffected", "packageURL": "pkg:github/dataease/dataease", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "2.10.26"}, {"version": "2.10.26", "status": "unaffected", "versionType": "semver"}], "repo": "https://github.com/dataease/dataease", "collectionURL": "https://github.com/dataease/dataease"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:dataease:dataease:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.10.26"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/dataease/dataease/security/advisories/GHSA-9h54-39gh-5qfg", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-9h54-39gh-5qfg)"}, {"url": "https://github.com/dataease/dataease/commit/fbbb0482c4c10480c2dd4ecc050cd1e5c55b17db", "tags": ["patch"]}, {"url": "https://github.com/dataease/dataease/releases/tag/v2.10.26", "tags": ["release-notes"], "name": "DataEase v2.10.26 Release Notes"}, {"url": "https://github.com/dataease/dataease", "tags": ["product"]}, {"name": "VulnCheck Advisory: DataEase before 2.10.26 Access Control Bypass via Share Tickets", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/dataease-before-2.10.26-access-control-bypass-via-share-tickets"}], "credits": [{"lang": "en", "value": "Dikai Zou", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://github.com/dataease/dataease", "defaultStatus": "unaffected", "packageURL": "pkg:github/dataease/dataease", "product": "dataease", "repo": "https://github.com/dataease/dataease", "vendor": "dataease", "versions": [{"lessThan": "2.10.26", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "2.10.26", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "DataEase before 2.10.26 contains multiple access control defects in the sharing link module. Tickets are not bound to the target share UUID, so a valid ticket issued for one share can be reused against another (ShareTicketManage.validateTicket / POST /de2api/share/proxyInfo). The POST /de2api/share/validate endpoint issues a LinkToken after password verification without requiring a ticket, bypassing the 'ticket mandatory' policy. Additionally, the ticket create and delete endpoints (POST /de2api/ticket/saveTicket, POST /de2api/ticket/delTicket) lack share-ownership checks, allowing an authenticated user who knows another user's ticket to modify, rebind, or delete it (denial of service), and GET /de2api/share/queryRelationByUserId/{uid} allows authenticated users to enumerate other users' share mappings."}], "id": "CVE-2026-82879", "lastModified": "2026-08-31T11:16:41.603", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-08-31T11:16:41.603", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/dataease/dataease"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/dataease/dataease/commit/fbbb0482c4c10480c2dd4ecc050cd1e5c55b17db"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/dataease/dataease/releases/tag/v2.10.26"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/dataease/dataease/security/advisories/GHSA-9h54-39gh-5qfg"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/dataease-before-2.10.26-access-control-bypass-via-share-tickets"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.10.26)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2.10.26"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "dataease", "source": "cna", "vendor": "dataease"}, "product": "dataease", "vendor": "dataease"}], "created": "2026-08-31T12:30:05.534183+00:00", "updated": "2026-08-31T13:30:04.369474+00:00", "vendors": ["dataease", "dataease$PRODUCT$dataease"]}