{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54149", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-11T21:15:33.871Z", "datePublished": "2026-07-10T15:05:32.613Z", "dateUpdated": "2026-07-10T15:05:32.613Z"}, "containers": {"cna": {"title": "MaxKB MCP tool import validation bypass allows post-authentication remote code execution", "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-4pr3-9xhm-98x5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-4pr3-9xhm-98x5"}, {"name": "https://github.com/1Panel-dev/MaxKB/releases/tag/v2.10.0-lts", "tags": ["x_refsource_MISC"], "url": "https://github.com/1Panel-dev/MaxKB/releases/tag/v2.10.0-lts"}], "affected": [{"vendor": "1Panel-dev", "product": "MaxKB", "versions": [{"version": "< 2.10.0-lts", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-10T15:05:32.613Z"}, "descriptions": [{"lang": "en", "value": "MaxKB is an open-source AI assistant for enterprise. Prior to 2.10.0-lts, MaxKB tool import functionality in apps/tools/serializers/tool.py and MCP referencing mode in apps/application/chat_pipeline/step/chat_step/impl/base_chat_step.py do not consistently validate MCP transport type, allowing an authenticated user to import a .tool file containing stdio transport with malicious commands and trigger the configuration through an AI Chat node so MultiServerMCPClient executes arbitrary system commands. This issue is fixed in version 2.10.0-lts."}], "source": {"advisory": "GHSA-4pr3-9xhm-98x5", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{}