CVE-2026-32951

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, an authenticated user can obtain shared draft topic titles by sending an inline onebox request with a category_id parameter matching the shared drafts category. 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-2026-32951

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools