CVE-2026-32618

Severity CVSS v4.0:

Pending analysis

Type:

CWE-200 Information Leak / Disclosure

Publication date:

31/03/2026

Last modified:

09/04/2026

Description

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, there is possible channel membership inference from chat user search without authorization. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x

4.30

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:discourse:discourse:::::latest:::*	2026.1.0 (including)	2026.1.3 (excluding)
cpe:2.3:a:discourse:discourse:::::latest:::*	2026.2.0 (including)	2026.2.2 (excluding)
cpe:2.3:a:discourse:discourse:2026.3.0::::latest:::
cpe:2.3:a:discourse:discourse:2026.3.0::::latest.1:::

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-32618

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools