Race condition in Discourse - CVE-2025-24808
Published: March 27, 2025
Vulnerability identifier: #VU106103
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-24808
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Civilized Discourse Construction Kit, Inc.
Affected software:
Discourse
Discourse
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a race condition when adding users to a group DM. A remote user can exploit the race and send requests to add new users in parallel ignoring the limit.
How to mitigate CVE-2025-24808
Install updates from vendor's website.