CVE-2026-39417 MaxKB: RCE via MCP stdio command injection in workflow engine

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain an incomplete fix for CVE-2025-53928, where a Remote Code Execution vulnerability still exists in the MCP node of the workflow engine. MaxKB only restricts the referencing code path loading MCP config from the...

CVE-2026-39417 MaxKB: RCE via MCP stdio command injection in workflow engine

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain an incomplete fix for CVE-2025-53928, where a Remote Code Execution vulnerability still exists in the MCP node of the workflow engine. MaxKB only restricts the referencing code path loading MCP config from the...

CVE-2026-39424: Improper Neutralization of Formula Elements in a CSV File

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...

PT-2026-32573

MaxKB is an open-source AI assistant for enterprise. In versions 2.7.1 and below, sandbox network protection can be bypassed by using socket.sendto with the MSG FASTOPEN flag. This allows authenticated user with tool-editing permissions to reach internal services that are explicitly blocked by th...

CVE-2026-39425: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability that allows authenticated users to inject arbitrary HTML and JavaScript into the Application prologue Opening Remarks field by wrapping malicious payloads in tags...

MaxKB 操作系统命令注入漏洞

MaxKB is an open-source question-answering system based on large language models and RAG, developed by 1Panel-dev. Versions of MaxKB prior to 2.7.1 contained a vulnerability related to operating system command injection. This vulnerability stemmed from issues with the MCP node, a workflow engine,...

MaxKB 代码问题漏洞

MaxKB is an open-source question-answering system based on large language models and RAG, developed by 1Panel-dev. Versions of MaxKB prior to 2.7.1 contained code vulnerabilities. These vulnerabilities stemmed from a flaw in sandbox network protection, which could be bypassed, allowing...

MaxKB 安全漏洞

MaxKB is an open-source question-answering system based on large language models and RAG, developed by 1Panel-dev. Versions of MaxKB prior to 2.7.1 contained a security vulnerability. This vulnerability stemmed from a storage-oriented cross-site scripting in the application introduction field,...

MaxKB 安全漏洞

MaxKB is an open-source question-answering system based on large language models and RAG, developed by 1Panel-dev. Versions of MaxKB prior to 2.7.1 contained a security vulnerability. This vulnerability stemmed from a sandbox escape issue in the ToolExecutor component, which could allow...

CVE-2026-39417: Improper Neutralization of Special Elements used in an OS Command

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain an incomplete fix for CVE-2025-53928, where a Remote Code Execution vulnerability still exists in the MCP node of the workflow engine. MaxKB only restricts the referencing code path loading MCP config from the...

CVE-2026-39419: Improper Neutralization of Special Elements in Output Used by a Downstream Component

MaxKB is an open-source AI assistant for enterprise. In versions 2.7.1 and below, an authenticated user can bypass sandbox result validation and spoof tool execution results by exploiting Python frame introspection to read the wrapper's UUID from its bytecode constants, then writing a forged resu...

PT-2026-32576

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability through the application name or icon fields when creating an application. When a victim visits the public chat interface /ui/chat/access token, the...

MaxKB 安全漏洞

MaxKB is an open-source question-answering system based on large language models and RAG, developed by 1Panel-dev. Versions of MaxKB prior to 2.7.1 contained a security vulnerability. This vulnerability stemmed from the possibility of bypassing sandbox result validation, which could allow...

MaxKB 安全漏洞

MaxKB is an open-source question-answering system based on large language models and RAG, developed by 1Panel-dev. Versions of MaxKB prior to 2.7.1 contained security vulnerabilities. These vulnerabilities stemmed from incomplete sandbox protection mechanisms, which could allow authenticated user...

PT-2026-32578

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...

CVE-2026-39420: Protection Mechanism Failure

MaxKB is an open-source AI assistant for enterprise. In versions 2.7.1 and below, an incomplete sandbox protection mechanism allows an authenticated user with tool execution privileges to escape the LDPRELOAD-based sandbox. By env command the attacker can clear the environment variables and drop...

CVE-2026-39426: Improper Neutralization of Input During Web Page Generation

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability where the frontend's MdRenderer.vue component parses custom tags from LLM responses or Application Prologue configurations, bypassing standard Markdown sanitizatio...

PT-2026-32584

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability that allows authenticated users to inject arbitrary HTML and JavaScript into the Application prologue Opening Remarks field by wrapping malicious payloads in tags...

MaxKB 安全漏洞

MaxKB is an open-source question-answering system based on large language models and RAG, developed by 1Panel-dev. Versions of MaxKB prior to 2.7.1 contained a security vulnerability. This vulnerability stemmed from a Eval injection flaw in the Markdown rendering engine, which could allow any use...

MaxKB 跨站脚本漏洞

MaxKB is an open-source question-answering system based on large language models and RAG, developed by 1Panel-dev. Versions of MaxKB 2.7.1 and earlier contained a cross-site scripting vulnerability. This vulnerability stemmed from the front-end MdRenderer.vue component, which bypassed standard...