CVE-2026-27481
Discourse: Hidden tag visibility bypass on tag routes
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
13th
Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, an authorization bypass vulnerability allows unauthenticated or unauthorized users to view hidden (staff-only) tags and its associated data. All Discourse instances with tagging enabled and staff-only tag groups configured are impacted. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.
| CWE | CWE-200 |
| Vendor | discourse |
| Product | discourse |
| Published | Apr 3, 2026 |
| Last Updated | Apr 7, 2026 |
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Affected Versions
discourse / discourse
>= 2026.1.0-latest, < 2026.1.3 >= 2026.2.0-latest, < 2026.2.2 >= 2026.3.0-latest, < 2026.3.0