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.

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Fixes

Solution

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Workaround

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History

Tue, 19 May 2026 03:15:00 +0000

Type Values Removed Values Added
First Time appeared Discourse
Discourse discourse
Vendors & Products Discourse
Discourse discourse

Tue, 19 May 2026 01:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Discourse: Information Disclosure in Form Template API Due to Missing Authorization
Weaknesses CWE-862
References
Metrics cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-19T00:59:53.307Z

Reserved: 2026-03-20T16:59:08.891Z

Link: CVE-2026-33514

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-19T02:16:16.210

Modified: 2026-05-19T02:16:16.210

Link: CVE-2026-33514

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-19T03:00:10Z

Weaknesses