CVE-2026-54149: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in 1Panel-dev MaxKB
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.
AI Analysis
Technical Summary
MaxKB versions before 2.10.0-lts contain an OS command injection vulnerability (CWE-78) in the apps/tools/serializers/tool.py and apps/application/chat_pipeline/step/chat_step/impl/base_chat_step.py files. The vulnerability arises because the MCP transport type is not consistently validated, allowing an authenticated user to import a .tool file with stdio transport containing malicious commands. These commands are executed by the MultiServerMCPClient when triggered through an AI Chat node, enabling arbitrary system command execution. The vulnerability has a CVSS 3.1 score of 8.8, indicating high impact on confidentiality, integrity, and availability. The issue is resolved in MaxKB version 2.10.0-lts.
Potential Impact
An authenticated user can exploit this vulnerability to execute arbitrary system commands on the host running MaxKB. This can lead to full compromise of the affected system, including unauthorized access, data manipulation, and service disruption. The CVSS score of 8.8 reflects high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in MaxKB version 2.10.0-lts. Users should upgrade to this version or later to remediate the vulnerability. No official patch or temporary workaround details are provided, so upgrading is the recommended action.
CVE-2026-54149: CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in 1Panel-dev MaxKB
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.
CVSS v3.1
Score 8.8high
Affected software
pkg:github/1panel-dev/MaxKBRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
MaxKB versions before 2.10.0-lts contain an OS command injection vulnerability (CWE-78) in the apps/tools/serializers/tool.py and apps/application/chat_pipeline/step/chat_step/impl/base_chat_step.py files. The vulnerability arises because the MCP transport type is not consistently validated, allowing an authenticated user to import a .tool file with stdio transport containing malicious commands. These commands are executed by the MultiServerMCPClient when triggered through an AI Chat node, enabling arbitrary system command execution. The vulnerability has a CVSS 3.1 score of 8.8, indicating high impact on confidentiality, integrity, and availability. The issue is resolved in MaxKB version 2.10.0-lts.
Potential Impact
An authenticated user can exploit this vulnerability to execute arbitrary system commands on the host running MaxKB. This can lead to full compromise of the affected system, including unauthorized access, data manipulation, and service disruption. The CVSS score of 8.8 reflects high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
A fix is available in MaxKB version 2.10.0-lts. Users should upgrade to this version or later to remediate the vulnerability. No official patch or temporary workaround details are provided, so upgrading is the recommended action.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-06-11T21:15:33.871Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a51144968715ace43c8e29c
Added to database: 07/10/2026, 15:48:25 UTC
Last enriched: 07/10/2026, 16:02:34 UTC
Last updated: 07/10/2026, 16:33:24 UTC
Views: 6
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