Description

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.

INFO

Published Date :

2025-12-30T16:04:10.093Z

Last Modified :

2025-12-30T18:11:53.787Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2025-64528 vulnerability.

Vendors Products
Discourse
  • Discourse
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-64528.

URL Resource
https://github.com/discourse/discourse/commit/1cb45b8b287597085e3514596ffb1d9b41938f81 cve-icon cve-icon
https://github.com/discourse/discourse/commit/6192f55629624925595dae14364fd86cac0f09df cve-icon cve-icon
https://github.com/discourse/discourse/commit/e936a523b5900a9d866d23ea3da904ba12bb0fb2 cve-icon cve-icon
https://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact