{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77516", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-20T20:23:02.507Z", "datePublished": "2026-09-21T20:40:44.213Z", "dateUpdated": "2026-09-21T20:40:44.213Z"}, "containers": {"cna": {"title": "MaxKB: Missing per-tool authorization in the agent and workflow tool-dispatch path", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "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:N", "version": "3.1"}}], "references": [{"name": "https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-383v-fx78-pphm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-383v-fx78-pphm"}], "affected": [{"vendor": "1Panel-dev", "product": "MaxKB", "versions": [{"version": ">= 2.0.0, <= 2.9.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-21T20:40:44.213Z"}, "descriptions": [{"lang": "en", "value": "MaxKB is an open-source AI assistant for enterprise. From version 2.0.0 through 2.9.2, a lowest-role workspace member denied access to a tool by WorkspaceUserResourcePermission can still bind its identifier through tool_ids, skill_tool_ids, or mcp_tool_ids and execute it through the agent or workflow dispatch path. The dispatch path does not reapply the per-tool grant enforced by dedicated tool routes, and tool execution decrypts server-side init_params, allowing the caller to receive credentials carried by the denied tool. No fixed version is available as of this review."}], "source": {"advisory": "GHSA-383v-fx78-pphm", "discovery": "UNKNOWN"}}}}