VULNERABILITY INTELLIGENCE

CVE-2025-64528

CVSS score5.3 MEDIUM
EPSS probability0.29%
CISA KEVNot currently listed
Published2025-12-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-202
  • nvd@nist.gov: NVD-CWE-Other

Primary references