# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=29

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 30

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## [Vulnerabilties in v4.1.0-beta.2](https://discourse.nodered.org/t/vulnerabilties-in-v4-1-0-beta-2/98299)

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**Author:** [@LiamKelly](https://discourse.nodered.org/u/LiamKelly)\
**Replies:** 7\
**Last updated:** [8 August 2025 10:10 UTC](https://discourse.nodered.org/t/vulnerabilties-in-v4-1-0-beta-2/98299 "2025-08-08T10:10:36Z")

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Hi folks, I have been running some tests with the latest beta image and notice there are some vulnerabilities in npm packages that have available updates. Would these packages get updated prior to general release of thi…

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## [Telemetry not working](https://discourse.nodered.org/t/telemetry-not-working/98559)

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**Author:** [@fioronileo](https://discourse.nodered.org/u/fioronileo)\
**Replies:** 4\
**Last updated:** [8 August 2025 09:21 UTC](https://discourse.nodered.org/t/telemetry-not-working/98559 "2025-08-08T09:21:49Z")

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Telemetry isn't working for me, probably a network/proxy issue. Is it possible to get more information about how this feature works ? Is there a log where I can view https calls ?

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## [Telegram button problem](https://discourse.nodered.org/t/telegram-button-problem/98546)

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**Author:** [@edstobi](https://discourse.nodered.org/u/edstobi)\
**Replies:** 7\
**Last updated:** [7 August 2025 20:05 UTC](https://discourse.nodered.org/t/telegram-button-problem/98546 "2025-08-07T20:05:31Z")

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Hello, I have Telegram running and I can send and receive text messages. I can also send buttons, but nothing comes back to the Telegram receiver when a button is clicked. I have no idea where else to look or what to …

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## [Modbus to mySQL flow suggestions](https://discourse.nodered.org/t/modbus-to-mysql-flow-suggestions/98531)

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**Author:** [@BambosD](https://discourse.nodered.org/u/BambosD)\
**Replies:** 27\
**Last updated:** [7 August 2025 06:33 UTC](https://discourse.nodered.org/t/modbus-to-mysql-flow-suggestions/98531 "2025-08-07T06:33:40Z")

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Hello everyone, i’m trying to log some values from modbus devices to the mySQL node. the flow is not very clear to me as functionality and setup, so i’m posting here what i’m trying to do and asking how is possible to a…

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## [Variables not being pulled into](https://discourse.nodered.org/t/variables-not-being-pulled-into/98543)

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**Author:** [@ryanprel](https://discourse.nodered.org/u/ryanprel)\
**Replies:** 2\
**Last updated:** [6 August 2025 20:58 UTC](https://discourse.nodered.org/t/variables-not-being-pulled-into/98543 "2025-08-06T20:58:22Z")

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I’m having issues with a microgreens watering system that I built. This is using a 16 channel relay with dosing at set times with variable dosing times based on whether or not the Switch node has the gate node on or off…

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## [Cross-spawn vulnerabilitiy in 4.1.0 docker image](https://discourse.nodered.org/t/cross-spawn-vulnerabilitiy-in-4-1-0-docker-image/98532)

<div class="topic-metadata">

**Author:** [@LiamKelly](https://discourse.nodered.org/u/LiamKelly)\
**Replies:** 3\
**Last updated:** [6 August 2025 18:58 UTC](https://discourse.nodered.org/t/cross-spawn-vulnerabilitiy-in-4-1-0-docker-image/98532 "2025-08-06T18:58:27Z")

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Great to see the v4.1.0 being released! We’ve been testing with it and have pulled it into one of our staging environments. I do see an older CVE popping up related to the npm/cross-spawn v7.0.3, I think this must be re…

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## [Node-red-contrib-alexa-remote2-applestrudel 5.0.52 ko](https://discourse.nodered.org/t/node-red-contrib-alexa-remote2-applestrudel-5-0-52-ko/98275)

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**Author:** [@franz](https://discourse.nodered.org/u/franz)\
**Replies:** 5\
**Last updated:** [5 August 2025 09:04 UTC](https://discourse.nodered.org/t/node-red-contrib-alexa-remote2-applestrudel-5-0-52-ko/98275 "2025-08-05T09:04:30Z")

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I have node-red-contrib-alexa-remote2-applestrudel 5.0.52 installed on nodered 4.0.9 in docker. Since yesterday it no longer receives voice commands, it warns me vocally for automations but I can't issue commands. Does a…

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## [How to use DuckDB in Node-RED(just in node-red function)](https://discourse.nodered.org/t/how-to-use-duckdb-in-node-red-just-in-node-red-function/98487)

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**Author:** [@hyxdxhb1231](https://discourse.nodered.org/u/hyxdxhb1231)\
**Replies:** 6\
**Last updated:** [5 August 2025 05:31 UTC](https://discourse.nodered.org/t/how-to-use-duckdb-in-node-red-just-in-node-red-function/98487 "2025-08-05T05:31:35Z")

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Hi guys, the existing DuckDB node in Node-RED is broken. How can I do the same with a function node? Here is an example, but when i try it again, the Node-RED will broken down. The log information said that \[error\] Err…

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## [Problem changing button colors](https://discourse.nodered.org/t/problem-changing-button-colors/98474)

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**Author:** [@kburns2](https://discourse.nodered.org/u/kburns2)\
**Replies:** 24\
**Last updated:** [4 August 2025 15:21 UTC](https://discourse.nodered.org/t/problem-changing-button-colors/98474 "2025-08-04T15:21:20Z")

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Hello, I am running the latest version of Node Red. I am trying to create a control interface for a dust collection system for a wood shop. I have the basic functionality working well. I have a relay board HAT for a Ras…

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## [Payload Boolean message](https://discourse.nodered.org/t/payload-boolean-message/98498)

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**Author:** [@MarcoGaspar](https://discourse.nodered.org/u/MarcoGaspar)\
**Replies:** 3\
**Last updated:** [4 August 2025 13:51 UTC](https://discourse.nodered.org/t/payload-boolean-message/98498 "2025-08-04T13:51:52Z")

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How can i change the led colour by the true or false payload message?

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## [Customize markdown rendering in NR](https://discourse.nodered.org/t/customize-markdown-rendering-in-nr/98463)

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**Author:** [@duaw](https://discourse.nodered.org/u/duaw)\
**Replies:** 10\
**Last updated:** [4 August 2025 13:06 UTC](https://discourse.nodered.org/t/customize-markdown-rendering-in-nr/98463 "2025-08-04T13:06:18Z")

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Hi there! Is it (easily …) possible to set / modify how markdown is rendered in NR? I use Obsidian and like the bigger font for # Heading level 1 compared to ## Heading level 2 However, I prefer NR’s color for code an…

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## [Improved node documentation icon](https://discourse.nodered.org/t/improved-node-documentation-icon/98480)

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**Author:** [@Martin12](https://discourse.nodered.org/u/Martin12)\
**Replies:** 8\
**Last updated:** [4 August 2025 08:46 UTC](https://discourse.nodered.org/t/improved-node-documentation-icon/98480 "2025-08-04T08:46:39Z")

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First of all, I really like the new node documentation icon feature in v4.1.0. Finally it makes sense to actually use the description tab and write down some hints or comments in more complex nodes. :+1: :+1: To make th…

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## [Node-red-node-serialport: connection status - viewing](https://discourse.nodered.org/t/node-red-node-serialport-connection-status-viewing/98484)

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**Author:** [@rromele](https://discourse.nodered.org/u/rromele)\
**Replies:** 2\
**Last updated:** [4 August 2025 06:44 UTC](https://discourse.nodered.org/t/node-red-node-serialport-connection-status-viewing/98484 "2025-08-04T06:44:24Z")

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Hello, I am using the node 'node-red-node-serialport: serial-in / serial-out'. How can I extract the status value of the serial port reported below the node?

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## [Node-red-contrib-openhab3 in Openhab 5](https://discourse.nodered.org/t/node-red-contrib-openhab3-in-openhab-5/98472)

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**Author:** [@llamich](https://discourse.nodered.org/u/llamich)\
**Replies:** 3\
**Last updated:** [3 August 2025 11:05 UTC](https://discourse.nodered.org/t/node-red-contrib-openhab3-in-openhab-5/98472 "2025-08-03T11:05:02Z")

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Good evening, I've been trying to get a new installation of openhab+node-red up and running for a couple of weeks. The problem arises when I start configuring the first openhab node and defining the controller. When I a…

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## [TypeError: fg.convertPathToPattern is not a function](https://discourse.nodered.org/t/typeerror-fg-convertpathtopattern-is-not-a-function/98252)

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**Author:** [@milhouse1](https://discourse.nodered.org/u/milhouse1)\
**Replies:** 13\
**Last updated:** [2 August 2025 16:06 UTC](https://discourse.nodered.org/t/typeerror-fg-convertpathtopattern-is-not-a-function/98252 "2025-08-02T16:06:47Z")

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Versions: Node-RED: v4.0.9 Node.js: v20.19.4 node-red-contrib-uibuilder@7.4.3 Issue: I've had Node-RED running on Node.js v18 for a while now, with the last uibuilder update being 6.8.2 (if the file I'm looking at i…

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## [Advice on communication between multiple Node-RED instances (or external apps)](https://discourse.nodered.org/t/advice-on-communication-between-multiple-node-red-instances-or-external-apps/98455)

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**Author:** [@thalesmaoa](https://discourse.nodered.org/u/thalesmaoa)\
**Replies:** 10\
**Last updated:** [2 August 2025 15:34 UTC](https://discourse.nodered.org/t/advice-on-communication-between-multiple-node-red-instances-or-external-apps/98455 "2025-08-02T15:34:24Z")

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Hi everyone, Following some great suggestions here in the forum, I've been using MQTT for almost everything within Node-RED — and it's been working well in general. However, I recently ran into a challenge that I can’t…

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## [Upgrade to v4.1.0](https://discourse.nodered.org/t/upgrade-to-v4-1-0/98395)

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**Author:** [@Tany](https://discourse.nodered.org/u/Tany)\
**Replies:** 28\
**Last updated:** [2 August 2025 15:04 UTC](https://discourse.nodered.org/t/upgrade-to-v4-1-0/98395 "2025-08-02T15:04:40Z")

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Hi, Upgrade 4.0.9 to 4.1.0 done (npm) and apparently with success. The log shows - \[info\] Node.js version: v18.20.8, but i installed a while ago V22 for sake of ZigBee2MQTT. I am not really familiar with Linux. Is m…

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## [Android 8 Install](https://discourse.nodered.org/t/android-8-install/98428)

<div class="topic-metadata">

**Author:** [@MarcoGaspar](https://discourse.nodered.org/u/MarcoGaspar)\
**Replies:** 7\
**Last updated:** [2 August 2025 15:03 UTC](https://discourse.nodered.org/t/android-8-install/98428 "2025-08-02T15:03:08Z")

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The cmd:npm i -g --unsafe-perm node-red give error

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## [Having NR check email - feasability and security questions](https://discourse.nodered.org/t/having-nr-check-email-feasability-and-security-questions/98442)

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**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 28\
**Last updated:** [2 August 2025 10:54 UTC](https://discourse.nodered.org/t/having-nr-check-email-feasability-and-security-questions/98442 "2025-08-02T10:54:29Z")

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So I won't pretend this is without security issues. I have an understanding of it, but not sure I know the exact severity. I'm wanting to have a script that checks if there are any new emails in/on my account. Someone…

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## [Telegram sender](https://discourse.nodered.org/t/telegram-sender/98444)

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**Author:** [@Nodepushover](https://discourse.nodered.org/u/Nodepushover)\
**Replies:** 1\
**Last updated:** [2 August 2025 10:09 UTC](https://discourse.nodered.org/t/telegram-sender/98444 "2025-08-02T10:09:58Z")

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Dear All My telegram sender node always comes with Bot not initialized My telegram receiver works flawless, what can be the cause?, thanks in advance

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## [Not Strictly a Node-RED issue but Used as Data, nmap Problem Collecting Network Info](https://discourse.nodered.org/t/not-strictly-a-node-red-issue-but-used-as-data-nmap-problem-collecting-network-info/98424)

<div class="topic-metadata">

**Author:** [@Buckskin](https://discourse.nodered.org/u/Buckskin)\
**Replies:** 9\
**Last updated:** [1 August 2025 22:08 UTC](https://discourse.nodered.org/t/not-strictly-a-node-red-issue-but-used-as-data-nmap-problem-collecting-network-info/98424 "2025-08-01T22:08:12Z")

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Some time ago @TotallyInformation published a flow to get the mac address, IO address etc of a network using nmap to collect the data. It seems that sometime in the intervening years nmap decided NOT to collect the mac a…

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## [Data logging simulation using modsim to postgreSQL via nodered](https://discourse.nodered.org/t/data-logging-simulation-using-modsim-to-postgresql-via-nodered/98388)

<div class="topic-metadata">

**Author:** [@hafizhshafi](https://discourse.nodered.org/u/hafizhshafi)\
**Replies:** 18\
**Last updated:** [1 August 2025 01:05 UTC](https://discourse.nodered.org/t/data-logging-simulation-using-modsim-to-postgresql-via-nodered/98388 "2025-08-01T01:05:14Z")

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How to send data from modbus to postgreSQL database via nodered ? i already try to send data manually from querry and its work, but its not working when i send the data which come from modsim

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## [Help with ui-tabulator Column Headings Required](https://discourse.nodered.org/t/help-with-ui-tabulator-column-headings-required/98423)

<div class="topic-metadata">

**Author:** [@Buckskin](https://discourse.nodered.org/u/Buckskin)\
**Replies:** 2\
**Last updated:** [31 July 2025 22:31 UTC](https://discourse.nodered.org/t/help-with-ui-tabulator-column-headings-required/98423 "2025-07-31T22:31:34Z")

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I have the following table and I would like to centre the column headers of a couple of the columns; I wish to centre the Protocol & Power headers and so far I have not found a way to do it, so any ideas will be welc…

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## [Doesn't Dashboard 2 highlite dashboard nodes when you move over them?](https://discourse.nodered.org/t/doesnt-dashboard-2-highlite-dashboard-nodes-when-you-move-over-them/98408)

<div class="topic-metadata">

**Author:** [@Trying\_to\_learn](https://discourse.nodered.org/u/Trying_to_learn)\
**Replies:** 4\
**Last updated:** [31 July 2025 16:17 UTC](https://discourse.nodered.org/t/doesnt-dashboard-2-highlite-dashboard-nodes-when-you-move-over-them/98408 "2025-07-31T16:17:41Z")

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With the old dashboard if you are on/in the edit screen and have the dashboard selected you see the GUI nodes listed. As you move the mouse over them their respective nodes in the edit window are highlighted. So what's…

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## [Storage of nodered data on Revpi](https://discourse.nodered.org/t/storage-of-nodered-data-on-revpi/98419)

<div class="topic-metadata">

**Author:** [@GBROKO](https://discourse.nodered.org/u/GBROKO)\
**Replies:** 1\
**Last updated:** [31 July 2025 14:25 UTC](https://discourse.nodered.org/t/storage-of-nodered-data-on-revpi/98419 "2025-07-31T14:25:38Z")

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I want to locally save the data I receive from a sensor on my Revpi. \[ { "id": "3773427109966ee3", "type": "debug", "z": "4baeccbbe8b96cc7", "name": "debug 3", "active": true,…

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## [Template flow context with variable names](https://discourse.nodered.org/t/template-flow-context-with-variable-names/98417)

<div class="topic-metadata">

**Author:** [@HarryPottar](https://discourse.nodered.org/u/HarryPottar)\
**Replies:** 3\
**Last updated:** [31 July 2025 14:08 UTC](https://discourse.nodered.org/t/template-flow-context-with-variable-names/98417 "2025-07-31T14:08:12Z")

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Hello, I’m using a mustache template node to populate a value from the flow context. "{{{flow.config.name}}" This works as expected. However, when I store multiple objects within the flow context using a variable, is…

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## [Vulnerability Report: Node.js Package on-headers \< 1.1.0 in Node-Red](https://discourse.nodered.org/t/vulnerability-report-node-js-package-on-headers-1-1-0-in-node-red/98416)

<div class="topic-metadata">

**Author:** [@GowriAradhya](https://discourse.nodered.org/u/GowriAradhya)\
**Replies:** 1\
**Last updated:** [31 July 2025 12:44 UTC](https://discourse.nodered.org/t/vulnerability-report-node-js-package-on-headers-1-1-0-in-node-red/98416 "2025-07-31T12:44:32Z")

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Hello, Component: Node.js Package: on-headers Affected Version: 1.0.2 Used In: Node-RED 4.0.9 Impact: Exposure of Sensitive Information Manipulation of Data Description: The on-headers package (version 1.0.2) us…

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## [Problem with a string across different nodes](https://discourse.nodered.org/t/problem-with-a-string-across-different-nodes/98394)

<div class="topic-metadata">

**Author:** [@Loops](https://discourse.nodered.org/u/Loops)\
**Replies:** 2\
**Last updated:** [30 July 2025 15:27 UTC](https://discourse.nodered.org/t/problem-with-a-string-across-different-nodes/98394 "2025-07-30T15:27:33Z")

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Hello ! I need help please for a simple flow. The output of the Http request give me {"success":true}. I putr this string in a template node to add some text. For example : Request result : {"success":true} But…

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## [My nodered agent was giving bad request again and again after waiting a day i deleted that agent and made new one but still its giving same bad request you can see the image its running but not opening the dashbord](https://discourse.nodered.org/t/my-nodered-agent-was-giving-bad-request-again-and-again-after-waiting-a-day-i-deleted-that-agent-and-made-new-one-but-still-its-giving-same-bad-request-you-can-see-the-image-its-running-but-not-opening-the-dashbord/98374)

<div class="topic-metadata">

**Author:** [@achalkumar](https://discourse.nodered.org/u/achalkumar)\
**Replies:** 1\
**Last updated:** [30 July 2025 08:01 UTC](https://discourse.nodered.org/t/my-nodered-agent-was-giving-bad-request-again-and-again-after-waiting-a-day-i-deleted-that-agent-and-made-new-one-but-still-its-giving-same-bad-request-you-can-see-the-image-its-running-but-not-opening-the-dashbord/98374 "2025-07-30T08:01:43Z")

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## [Debug sidebar messages disappear automatically](https://discourse.nodered.org/t/debug-sidebar-messages-disappear-automatically/98383)

<div class="topic-metadata">

**Author:** [@Helavi](https://discourse.nodered.org/u/Helavi)\
**Replies:** 2\
**Last updated:** [30 July 2025 07:54 UTC](https://discourse.nodered.org/t/debug-sidebar-messages-disappear-automatically/98383 "2025-07-30T07:54:52Z")

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I user node-RED v3.0.2. Since some time I have problems with disappearing messages in the debug sidebar. Maybe I have configured this somewhen, but I can’t remember where and how to turn it back. Does anybody know how I …

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