CVE-2022-46159 Any authenticated Discourse user can create an unlisted topic
Authenticated users can create unlisted topics that consume site resources, potentially leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-46159?
CVE-2022-46159 is a medium-severity vulnerability in Discourse Discourse, published on 2 Dec 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Discourse is an open-source discussion platform. In version 2.8.13 and prior on the `stable` branch and version 2.9.0.beta14 and prior on the `beta` and `tests-passed` branches, any authenticated user can create an unlisted topic. These topics, which are not readily available to other users, can take up unnecessary site resources. A patch for this issue is available in the `main` branch of Discourse. There are no known workarounds available.
Weakness: CWE-770
Which versions are affected by CVE-2022-46159?
1 open source package ship an affected version, including discourse. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
discourse Bitnami | All versions | 2.8.14 |
Products include Discourse Discourse.
How do I fix CVE-2022-46159?
Upgrade discourse to 2.8.14 or later.
Is CVE-2022-46159 being exploited?
There is no known exploitation of CVE-2022-46159 in the wild and no public exploit code.
Other vulnerabilities in Discourse Discourse
- CVE-2021-41163 RCE via malicious SNS subscription payload
- CVE-2022-36066 Discourse vulnerable to RCE via admins uploading maliciously zipped file
- CVE-2022-39356 Discourse user account takeover via email and invite link
- CVE-2023-22468 Discourse vulnerable to Cross-site Scripting in local oneboxes
- CVE-2026-27934 Discourse leaks private topic title and post excerpt via user action API endpoint
Sources
Also known as BIT-discourse-2022-46159, GHSA-qf99-xpx6-hgxp.