CVE-2025-64528 — Users are able to find users by name even when `enable_names` is off
Discourse is an open source discussion platform. Prior to versions 3.5.3, 2025.11.1, and 2025.12.0, an attacker who knows part of a username can find the user and their full nam…
Published: 2025-12-30 · CVSS: 6.3 · CVSS 4.0
Discourse is an open source discussion platform. Prior to versions 3.5.3, 2025.11.1, and 2025.12.0, an attacker who knows part of a username can find the user and their full name via UI or API, even when `enable_names` is disabled. Versions 3.5.3, 2025.11.1, and 2025.12.0 contain a fix.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7