Discourse is an open source platform for community discussion. In affected versions admins users can trigger a Denial of Service attack via the `/message-bus/_diagnostics` path. The impact of this vulnerability is greater on multisite Discourse instances (where multiple forums are served from a single application server) where any admin user on any of the forums are able to visit the `/message-bus/_diagnostics` path. The problem has been patched. Please upgrade to 2.8.0.beta10 or 2.7.12. No workarounds for this issue exist.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-30719 Discourse is an open source platform for community discussion. In affected versions admins users can trigger a Denial of Service attack via the `/message-bus/_diagnostics` path. The impact of this vulnerability is greater on multisite Discourse instances (where multiple forums are served from a single application server) where any admin user on any of the forums are able to visit the `/message-bus/_diagnostics` path. The problem has been patched. Please upgrade to 2.8.0.beta10 or 2.7.12. No workarounds for this issue exist.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-04-22T18:34:44.857Z

Reserved: 2021-11-16T00:00:00.000Z

Link: CVE-2021-43850

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-01-04T20:15:07.667

Modified: 2024-11-21T06:29:55.690

Link: CVE-2021-43850

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.