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CVE-2025-64528

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CVE-2025-64528

Published: Dec 30, 2025

Modified: Dec 30, 2025

PUBLISHED

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.

VendorProductVersions

discourse

discourse

affected
< 3.5.3
affected
>= 2025.11.0-latest, < 2025.11.1
affected
>= 2025.12.0-latest, < 2025.12.0

Weaknesses (CWE)

CWE-202

References

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