{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68578", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-07-31T11:56:29.759Z", "datePublished": "2026-08-02T12:15:25.820Z", "dateUpdated": "2026-08-02T12:19:25.742Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-08-02T12:19:25.742Z"}, "datePublic": "2026-07-17T00:00:00.000Z", "title": "ArcadeDB before 26.7.3 Authentication Bypass via MCP Transport", "descriptions": [{"lang": "en", "value": "ArcadeDB versions before 26.7.3 fail to bind the authenticated principal in the MCP HTTP transport, causing all engine permission checks to silently pass as no-ops. Non-root MCP-allowed users can perform arbitrary database writes, DDL, schema mutations, and execute arbitrary JavaScript code via the query tool."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Missing Authentication for Critical Function", "cweId": "CWE-306", "type": "CWE"}]}], "affected": [{"vendor": "ArcadeData", "product": "arcadedb", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "26.7.3"}, {"version": "26.7.3", "status": "unaffected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-6x73-v3rc-f57c", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-6x73-v3rc-f57c)"}, {"name": "VulnCheck Advisory: ArcadeDB before 26.7.3 Authentication Bypass via MCP Transport", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/arcadedb-authentication-bypass-via-mcp-transport"}], "credits": [{"lang": "en", "value": "manus-use", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,26.7.3)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "26.7.3"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "arcadedb", "source": "cna", "vendor": "ArcadeData"}, "product": "arcadedb", "vendor": "arcadedata"}], "created": "2026-08-02T13:30:17.558099+00:00", "updated": "2026-08-02T13:30:17.558123+00:00", "vendors": ["arcadedata", "arcadedata$PRODUCT$arcadedb"]}