Impact

Node-RED 1.2.7 and earlier contains a Prototype Pollution vulnerability in the admin API. A badly formed request can modify the prototype of the default JavaScript Object with the potential to affect the default behaviour of the Node-RED runtime.

Patches

The vulnerability is patched in the 1.2.8 release.

Workarounds

A workaround is to ensure only authorised users are able to access the editor url.

For more information

If you have any questions or comments about this advisory:

• Email us at team@nodered.org

Acknowledgements

Thanks to the Tencent Woodpecker Security Team for disclosing this vulnerability.