Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Discourse | Discourse | >= 2026.1.0, <= 2026.1.2 |
Related Weaknesses (CWE)
References
- https://github.com/discourse/discourse/security/advisories/GHSA-6c9x-3vrp-682xThird Party Advisory
FAQ
What is CVE-2026-27481?
CVE-2026-27481 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 v...
How severe is CVE-2026-27481?
CVE-2026-27481 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-27481?
Check the references section above for vendor advisories and patch information. Affected products include: Discourse Discourse.