nextcloud-mcp-server

Security Findings (25)

• HighExcessive Permission Surface ×3

  • nextcloud_contacts_create_addressbook:tool declares exec permission
  • nextcloud_notes_search_notes:tool declares network permission
  • nextcloud_webdav_search_files:tool declares network permission

  Rule: AS-002Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.
• MediumExcessive Permission Surface ×18

  • nextcloud_calendar_create_event:tool declares fs permission
  • nextcloud_calendar_delete_event:tool declares fs permission
  • nextcloud_calendar_update_event:tool declares fs permission
  • nextcloud_contacts_create_addressbook:tool declares fs permission
  • nextcloud_contacts_create_contact:tool declares fs permission
  • nextcloud_contacts_delete_addressbook:tool declares fs permission
  • nextcloud_contacts_delete_contact:tool declares fs permission
  • nextcloud_notes_create_note:tool declares fs permission
  • nextcloud_notes_delete_note:tool declares fs permission
  • nextcloud_notes_update_note:tool declares fs permission
  • nextcloud_tables_delete_row:tool declares fs permission
  • nextcloud_tables_update_row:tool declares fs permission
  • nextcloud_webdav_create_directory:tool declares fs permission
  • nextcloud_webdav_delete_resource:tool declares fs permission
  • nextcloud_webdav_list_directory:tool declares fs permission
  • nextcloud_webdav_read_file:tool declares fs permission
  • nextcloud_webdav_search_files:tool declares fs permission
  • nextcloud_webdav_write_file:tool declares fs permission

  Rule: AS-002Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.
• LowDoS Resilience — Missing Rate Limit / Timeout ×3

  • nextcloud_contacts_create_addressbook:tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration
  • nextcloud_notes_search_notes:tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration
  • nextcloud_webdav_search_files:tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration

  Rule: AS-011Fix: Declare explicit rate-limit, timeout, and retry configuration for all network and execution tools. Implement exponential back-off and surface resource state to the calling agent.
• LowExcessive Permission Surface

  nextcloud_webdav_search_files:input schema exposes 11 properties (threshold: 10)

  Rule: AS-002Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.