Discourse: Hidden tag visibility bypass on tag routes
Published Apr 3, 2026
6.3
MEDIUMCVSS 4.0
EPSS 0.39%
Description
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.
Affected products
-
- Version >= 2026.1.0-latest, < 2026.1.3StatusaffectedConstraints-
- Version >= 2026.2.0-latest, < 2026.2.2StatusaffectedConstraints-
- Version >= 2026.3.0-latest, < 2026.3.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (1)
- https://github.com/discourse/discourse/security/advisories/GHSA-6c9x-3vrp-682x x_refsource_CONFIRMThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/discourse/discourse/security/advisories/GHSA-6c9x-3vrp-682x | x_refsource_CONFIRMThird Party Advisory |
Change history (0)
No recorded changes yet.