CVE-2026-33514

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, an authenticated user on a Discourse instance with the form templates feature enabled can read the name and structured content of form templates that are intended exclusively for categories they are not authorized to access. Impact is limited to disclosure of site configuration metadata. This issue has been fixed in versions 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/discourse/discourse/commit/ae5c9570fb918442c4d96abc83c1e7e169909b02	Patch
https://github.com/discourse/discourse/security/advisories/GHSA-w6g7-p2p9-2m5h	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:discourse:discourse:::::latest:::*
	cpe:2.3:a:discourse:discourse:::::latest:::*
	cpe:2.3:a:discourse:discourse:::::latest:::*
	cpe:2.3:a:discourse:discourse:2026.5.0::::latest:::

History

No history.

Information

Published : 2026-05-19 02:16

Updated : 2026-07-24 13:10

NVD link : CVE-2026-33514

Mitre link : CVE-2026-33514

CVE.ORG link : CVE-2026-33514

JSON object : View

Products Affected

discourse

discourse

CWE

CWE-862

Missing Authorization

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In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, an authenticated user on a Discourse instance with the form templates feature enabled can read the name and structured content of form templates that are intended exclusively for categories they are not authorized to access. Impact is limited to disclosure of site configuration metadata. This issue has been fixed in versions 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1."}, {"lang": "es", "value": "Discourse es una plataforma de discusi\u00f3n de c\u00f3digo abierto. En versiones anteriores a 2026.1.4, 2026.3.1, 2026.4.1 y 2026.5.0-latest.1, un usuario autenticado en una instancia de Discourse con la funci\u00f3n de plantillas de formulario habilitada puede leer el nombre y el contenido estructurado de plantillas de formulario que est\u00e1n destinadas exclusivamente a categor\u00edas a las que no est\u00e1 autorizado a acceder. El impacto se limita a la divulgaci\u00f3n de metadatos de configuraci\u00f3n del sitio. Este problema ha sido solucionado en las versiones 2026.1.4, 2026.3.1, 2026.4.1 y 2026.5.0-latest.1."}], "lastModified": "2026-07-24T13:10:00.223", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*", "vulnerable": true, "matchCriteriaId": "8859700A-C256-49F8-A921-933CF3A66517", "versionEndExcluding": "2026.1.4", "versionStartIncluding": "2026.1.0"}, {"criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*", "vulnerable": true, "matchCriteriaId": "CA619035-F6AF-4501-B331-AE685DE74BCA", "versionEndExcluding": "2026.3.1", "versionStartIncluding": "2026.3.0"}, {"criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*", "vulnerable": true, "matchCriteriaId": "09919919-C8A3-4AA6-AF85-45BD0FCA93F6", "versionEndExcluding": "2026.4.1", "versionStartIncluding": "2026.4.0"}, {"criteria": "cpe:2.3:a:discourse:discourse:2026.5.0:*:*:*:latest:*:*:*", "vulnerable": true, "matchCriteriaId": "8AD4BB38-1D03-4ECD-BFAB-900D57689A31"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}