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CVE-2025-64528
Good to know:
Date: December 30, 2025
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.
Severity Score
Related Resources (6)
Severity Score
Weakness Type (CWE)
Exposure of Sensitive Information Through Data Queries
CWE-202Top Fix
Upgrade Version
Upgrade to version https://github.com/discourse/discourse.git - v2025.11.1;https://github.com/discourse/discourse.git - v3.5.3
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | CHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | NONE |
| Availability (A): | NONE |