CVE-2026-33514
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Discourse
PublishedMay 19, 2026
First seenMay 19, 2026
Weakness typeCWE-862Missing authorization
How to fix
Update
- discourse discourse2026.1.4, 2026.3.1, 2026.4.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| discourse discourse | 2026.1.0 ≤ v < 2026.1.4, 2026.3.0 ≤ v < 2026.3.1, 2026.4.0 ≤ v < 2026.4.1, 2026.5.0 | 2026.1.4, 2026.3.1, 2026.4.1 |
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