Vulnerability Information
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Vulnerability Title
MaxKB has CSV Injection in its Application Chat Export Functionality
Vulnerability Description
MaxKB is an open-source AI assistant for enterprise. In versions 2.7.1 and below, the chat export feature is vulnerable to Improper Neutralization of Formula Elements in a CSV File. When an administrator exports the application chat history to an Excel file (.xlsx) via the /admin/api/workspace/{workspace_id}/application/{application_id}/chat/export endpoint, strings starting with formula characters are written directly without proper sanitization. Opening this file in spreadsheet applications like Microsoft Excel can lead to Arbitrary Code Execution (RCE) on the administrator's workstation via Dynamic Data Exchange (DDE). The issue is a variant of CVE-2025-4546, which fixed the exact same pattern in apps/dataset/serializers/document_serializers.py but missed the application chat export sink. This issue has been fixed in version 2.8.0.
CVSS Information
N/A
Vulnerability Type
CWE-1236
Vulnerability Title
MaxKB 安全漏洞
Vulnerability Description
MaxKB是1Panel-dev开源的一款基于大语言模型和 RAG 的开源知识库问答系统。 MaxKB 2.7.1及之前版本存在安全漏洞，该漏洞源于聊天导出功能对CSV文件中的公式元素中和不当，可能导致管理员打开导出的Excel文件时在工作站上执行任意代码。
CVSS Information
N/A
Vulnerability Type
N/A