Improper access control in Discourse - CVE-2022-24804

 

Improper access control in Discourse - CVE-2022-24804

Published: April 7, 2022 / Updated: July 1, 2026


Vulnerability identifier: #VU136063
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-24804
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to improper access control in category permissions handling when viewing a category. A remote attacker can view a category configured with a restricted-visibility group to disclose sensitive information.

The name of the restricted-visibility group may be exposed to any user able to see the category.


Affected software

Discourse

How to mitigate CVE-2022-24804

Install security update from vendor's website.

Discourse - addressed in versions 2.8.3, 2.9.0 beta4

External References

Related Security Bulletins