CVE-2026-34154
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, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. This issue has been fixed in versions 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1.
SeverityMedium
CVSS5.3
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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