CVE-2026-54149 - MaxKB MCP tool import validation bypass allows post-authentication remote code execution

CVE-2026-54149 - MaxKB MCP tool import validation bypass allows post-authentication remote code execution

https://cvefeed.io/rssfeed/latest.atom / Fri, 07/10/2026 - 19:04
CVE ID :CVE-2026-54149
Published : July 10, 2026, 4:16 p.m. | 30 minutes ago
Description :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.
Severity: 8.8 | HIGH
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