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

01 Jun 2026, 14:00

Type	Values Removed	Values Added
CPE		cpe:2.3:a:discourse:discourse:2026.5.0::::latest::: cpe:2.3:a:discourse:discourse:::::latest:::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.3
References	~~() https://github.com/discourse/discourse/commit/ae5c9570fb918442c4d96abc83c1e7e169909b02 -~~	() https://github.com/discourse/discourse/commit/ae5c9570fb918442c4d96abc83c1e7e169909b02 - Patch
References	~~() https://github.com/discourse/discourse/security/advisories/GHSA-w6g7-p2p9-2m5h -~~	() https://github.com/discourse/discourse/security/advisories/GHSA-w6g7-p2p9-2m5h - Vendor Advisory
First Time		Discourse Discourse discourse

19 May 2026, 02:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-19 02:16

Updated : 2026-06-01 14:00

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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