Improper access control in Discourse - CVE-2023-38685
Published: July 28, 2023 / Updated: July 1, 2026
Vulnerability identifier: #VU136501
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-38685
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in restricted-visibility topic tags when handling requests for tag information. A remote user can access restricted tag information to disclose sensitive information.
Affected software
Discourse
How to mitigate CVE-2023-38685
Install security update from vendor's website.
Discourse - addressed in versions 3.0.5, 3.1.0 beta6