CVE-2022-46159

Name: CVE-2022-46159
Creator: NVD / NIST
Published: 2022-12-02T15:15:10.09+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2022-46159 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

0.60%

44.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-770

Affected Software

Vendor	Product	Versions	Update
Discourse	Discourse	<= 2.8.13	—
Discourse	Discourse	2.9.0	Beta1

References

https://github.com/discourse/discourse/commit/0ce38bd7bce862db251b882613ab7053ca777382Patch, Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-qf99-xpx6-hgxpThird Party Advisory
https://github.com/discourse/discourse/commit/0ce38bd7bce862db251b882613ab7053ca777382Patch, Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-qf99-xpx6-hgxpThird Party Advisory

Timeline

Published: Dec 2, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-46159?

How severe is CVE-2022-46159?

CVE-2022-46159 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2022-46159?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-46159?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST