CVE-2026-33291

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, moderators can create Zendesk tickets for topics they do not have access to view. This affects all forums that use the Zendesk plugin. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

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-p26h-jqr4-r6j7	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, los moderadores pueden crear tickets de Zendesk para temas a los que no tienen acceso para ver. Esto afecta a todos los foros que usan el plugin de Zendesk. Las versiones 2026.3.0-latest.1, 2026.2.1 y 2026.1.2 contienen un parche. No se conocen soluciones alternativas disponibles.

24 Mar 2026, 21:10

Type	Values Removed	Values Added
CPE		cpe:2.3:a:discourse:discourse:2026.3.0::::latest::: cpe:2.3:a:discourse:discourse::::::::
First Time		Discourse Discourse discourse
References	~~() https://github.com/discourse/discourse/security/advisories/GHSA-p26h-jqr4-r6j7 -~~	() https://github.com/discourse/discourse/security/advisories/GHSA-p26h-jqr4-r6j7 - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.4

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-2026-33291

Mitre link : CVE-2026-33291

CVE.ORG link : CVE-2026-33291

JSON object : View

Products Affected

discourse

discourse

CWE

CWE-863

Incorrect Authorization

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