SiYuan 3.8.3 MCP File Operations Path Traversal

SiYuan versions 3.8.0 through 3.8.3 contain an incorrect authorization issue in recursive MCP file operations. An authenticated administrator can bypass the sensitive-path guard to read protected descendants or overwrite them through archive extraction...

CVE-2026-100633

SiYuan is a self-hosted personal knowledge management system. In versions 3.8.0 through 3.8.3, the MCP file tool's sensitive-path guard util.IsForbiddenAbsPath, invoked from resolvePath is applied only to the allowed root of recursive operations and not to each resolved descendant path — an...

CVE-2026-100633

The SiYuan personal knowledge management system (versions 3.8.0 through 3.8.3 ) contains a sensitive-path guard bypass in the MCP file tool . The root cause is that the util.IsForbiddenAbsPath() check (invoked via resolvePath()) is only applied to the root of recursive operations rather than each...

CVE-2026-100633 SiYuan 3.8.0 through 3.8.3 Path Traversal via MCP File Operations

SiYuan is a self-hosted personal knowledge management system. In versions 3.8.0 through 3.8.3, the MCP file tool's sensitive-path guard util.IsForbiddenAbsPath, invoked from resolvePath is applied only to the allowed root of recursive operations and not to each resolved descendant path — an...

EUVD-2026-87727

SiYuan is a self-hosted personal knowledge management system. In versions 3.8.0 through 3.8.3, the MCP file tool's sensitive-path guard util.IsForbiddenAbsPath, invoked from resolvePath is applied only to the allowed root of recursive operations and not to each resolved descendant path — an...

CVE-2026-100633 SiYuan 3.8.0 through 3.8.3 Path Traversal via MCP File Operations

SiYuan is a self-hosted personal knowledge management system. In versions 3.8.0 through 3.8.3, the MCP file tool's sensitive-path guard util.IsForbiddenAbsPath, invoked from resolvePath is applied only to the allowed root of recursive operations and not to each resolved descendant path — an...

CVE-2026-100633 SiYuan 3.8.0 through 3.8.3 Path Traversal via MCP File Operations

SiYuan is a self-hosted personal knowledge management system. In versions 3.8.0 through 3.8.3, the MCP file tool's sensitive-path guard util.IsForbiddenAbsPath, invoked from resolvePath is applied only to the allowed root of recursive operations and not to each resolved descendant path — an...

CVE-2026-100633: Incorrect Authorization

SiYuan is a self-hosted personal knowledge management system. In versions 3.8.0 through 3.8.3, the MCP file tool's sensitive-path guard util.IsForbiddenAbsPath, invoked from resolvePath is applied only to the allowed root of recursive operations and not to each resolved descendant path — an...

CVE-2026-94037

A weakness has been identified in 00Kisumi00 mcp-file-analyzer up to 84740852f0cf0cf5db4781b1ca6d7c6a6d210405. This affects the function ControlFlowNode of the file main.py of the component analyzecsvdata MCP tool. This manipulation of the argument filename causes path traversal. Remote...

CVE-2026-94037 00Kisumi00 mcp-file-analyzer analyze_csv_data MCP tool main.py ControlFlowNode path traversal

A weakness has been identified in 00Kisumi00 mcp-file-analyzer up to 84740852f0cf0cf5db4781b1ca6d7c6a6d210405. This affects the function ControlFlowNode of the file main.py of the component analyzecsvdata MCP tool. This manipulation of the argument filename causes path traversal. Remote...

CVE-2026-94037

CVE-2026-94037 affects the mcp-file-analyzer project (by 00Kisumi00) up to commit 84740852 . The vulnerability is a path traversal in the ControlFlowNode function within main.py , part of the analyze_csv_data MCP tool. An attacker can manipulate the filename argument to traverse beyond the intend...

EUVD-2026-83753

A weakness has been identified in 00Kisumi00 mcp-file-analyzer up to 84740852f0cf0cf5db4781b1ca6d7c6a6d210405. This affects the function ControlFlowNode of the file main.py of the component analyzecsvdata MCP tool. This manipulation of the argument filename causes path traversal. Remote...

CVE-2026-94037 00Kisumi00 mcp-file-analyzer analyze_csv_data MCP tool main.py ControlFlowNode path traversal

A weakness has been identified in 00Kisumi00 mcp-file-analyzer up to 84740852f0cf0cf5db4781b1ca6d7c6a6d210405. This affects the function ControlFlowNode of the file main.py of the component analyzecsvdata MCP tool. This manipulation of the argument filename causes path traversal. Remote...

CVE-2026-94037 00Kisumi00 mcp-file-analyzer analyze_csv_data MCP tool main.py ControlFlowNode path traversal

A weakness has been identified in 00Kisumi00 mcp-file-analyzer up to 84740852f0cf0cf5db4781b1ca6d7c6a6d210405. This affects the function ControlFlowNode of the file main.py of the component analyzecsvdata MCP tool. This manipulation of the argument filename causes path traversal. Remote...

CVE-2026-94037: Improper Limitation of a Pathname to a Restricted Directory

A weakness has been identified in 00Kisumi00 mcp-file-analyzer up to 84740852f0cf0cf5db4781b1ca6d7c6a6d210405. This affects the function ControlFlowNode of the file main.py of the component analyzecsvdata MCP tool. This manipulation of the argument filename causes path traversal. Remote...

PT-2026-95979

Name of the Vulnerable Software and Affected Versions 00Kisumi00 mcp-file-analyzer versions up to 84740852f0cf0cf5db4781b1ca6d7c6a6d210405 Description A path traversal issue exists in the analyze csv data MCP tool within the ControlFlowNode function of the main.py file. This occurs when the...

CVE-2026-85580

SiYuan versions before v3.8.2 contain a path guard bypass vulnerability in the MCP file-access handler that uses case-sensitive matching on Linux filesystems. Attackers can read the protected publishAccess.json file by requesting case-variant paths like PublishAccess.json to disclose sensitive...

CVE-2026-85580 SiYuan before v3.8.2 Path Guard Bypass via Case Mismatch

SiYuan versions before v3.8.2 contain a path guard bypass vulnerability in the MCP file-access handler that uses case-sensitive matching on Linux filesystems. Attackers can read the protected publishAccess.json file by requesting case-variant paths like PublishAccess.json to disclose sensitive...

CVE-2026-85580 SiYuan before v3.8.2 Path Guard Bypass via Case Mismatch

SiYuan versions before v3.8.2 contain a path guard bypass vulnerability in the MCP file-access handler that uses case-sensitive matching on Linux filesystems. Attackers can read the protected publishAccess.json file by requesting case-variant paths like PublishAccess.json to disclose sensitive...

EUVD-2026-71003

SiYuan versions before v3.8.2 contain a path guard bypass vulnerability in the MCP file-access handler that uses case-sensitive matching on Linux filesystems. Attackers can read the protected publishAccess.json file by requesting case-variant paths like PublishAccess.json to disclose sensitive...