CVE-2025-64528

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/discourse/discourse/commit/1cb45b8b287597085e3514596ffb1d9b41938f81	Patch
https://github.com/discourse/discourse/commit/6192f55629624925595dae14364fd86cac0f09df	Patch
https://github.com/discourse/discourse/commit/e936a523b5900a9d866d23ea3da904ba12bb0fb2	Patch
https://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:discourse:discourse::::::::
	cpe:2.3:a:discourse:discourse:2025.11.0::::stable:::
	cpe:2.3:a:discourse:discourse:2025.12.0::::stable:::

History

No history.

Information

Published : 2025-12-30 16:15

Updated : 2026-02-20 17:04

NVD link : CVE-2025-64528

Mitre link : CVE-2025-64528

CVE.ORG link : CVE-2025-64528

JSON object : View

Products Affected

discourse

discourse

CWE

CWE-202

Exposure of Sensitive Information Through Data Queries

NVD-CWE-Other

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