Impact

This vulnerability allows arbitrary path traversal via the Projects API.

If the Projects feature is enabled, a user with projects.read permission is able to access any file via the Projects API.

Patches

The issue has been patched in Node-RED 1.2.8

Workarounds

The vulnerability applies only to the Projects feature which is not enabled by default in Node-RED.

The primary workaround is not give untrusted users read access to the Node-RED editor.

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.

References

• GHSA-m33v-338h-4v9f
• node-red/node-red@74db3e1
• https://github.com/node-red/node-red/releases/tag/1.2.8
• https://www.npmjs.com/package/@node-red/runtime
• https://nvd.nist.gov/vuln/detail/CVE-2021-21298