CVE-2026-33251

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, an authorization bypass vulnerability in hidden Solved topics may allow unauthorized users to accept or unaccept solutions. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, ensure only trusted users are part of the Site Setting for accept_all_solutions_allowed_groups.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/discourse/discourse/security/advisories/GHSA-vm2x-9h8x-7jxm	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:discourse:discourse::::::::
	cpe:2.3:a:discourse:discourse::::::::
	cpe:2.3:a:discourse:discourse:2026.3.0::::latest:::

History

17 Jun 2026, 10:37

Type	Values Removed	Values Added
Summary		(es) Discourse es una plataforma de discusión de código abierto. Antes de las versiones 2026.3.0-latest.1, 2026.2.1 y 2026.1.2, una vulnerabilidad de omisión de autorización en temas ocultos Resueltos puede permitir a usuarios no autorizados aceptar o anular la aceptación de soluciones. Las versiones 2026.3.0-latest.1, 2026.2.1 y 2026.1.2 contienen un parche. Como solución alternativa, asegúrese de que solo los usuarios de confianza formen parte de la configuración del sitio accept_all_solutions_allowed_groups.

24 Mar 2026, 20:55

Type	Values Removed	Values Added
CPE		cpe:2.3:a:discourse:discourse:2026.3.0::::latest::: cpe:2.3:a:discourse:discourse::::::::
References	~~() https://github.com/discourse/discourse/security/advisories/GHSA-vm2x-9h8x-7jxm -~~	() https://github.com/discourse/discourse/security/advisories/GHSA-vm2x-9h8x-7jxm - Mitigation, Vendor Advisory
First Time		Discourse Discourse discourse

20 Mar 2026, 23:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-20 23:16

Updated : 2026-06-17 10:37

NVD link : CVE-2026-33251

Mitre link : CVE-2026-33251

CVE.ORG link : CVE-2026-33251

JSON object : View

Products Affected

discourse

discourse

CWE

CWE-863

Incorrect Authorization

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