Improper access control in Discourse - CVE-2024-52589
Published: December 19, 2024 / Updated: July 1, 2026
Vulnerability identifier: #VU136102
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-52589
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 the Screened emails list in the admin dashboard when handling moderator access. A remote privileged user can view the Screened emails list to disclose sensitive information.
The issue can expose a user's email address even when the "moderators view emails" option is disabled.
Affected software
Discourse
How to mitigate CVE-2024-52589
Install security update from vendor's website.
Discourse - addressed in versions 3.3.3, 3.4.0 beta3