CVE-2025-64528

Published December 30th, 2025

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CVSS v3

5.3

MEDIUM

CVSS v2

N/A

Affected

PROJECT

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.

discourse/discourse

A platform for community discussion. Free, open, simple.

GitHub

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