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 authenticated moderator-level user could retrieve post content, topic titles, and usernames from categories they were not authorized to view. Insufficient access controls on a sentiment analytics endpoint allowed category permission boundaries to be bypassed. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Discourse | Discourse | >= 2026.1.0, < 2026.1.3 |
Related Weaknesses (CWE)
References
- https://github.com/discourse/discourse/commit/e1bb146a1fadc863a516fbc26c6277273aPatch
- https://github.com/discourse/discourse/security/advisories/GHSA-vj5f-gg8m-93xgVendor Advisory
FAQ
What is CVE-2026-33415?
CVE-2026-33415 is a vulnerability with a CVSS score of 2.7 (LOW). 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 authenticated moderato...
How severe is CVE-2026-33415?
CVE-2026-33415 has been rated LOW with a CVSS base score of 2.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-33415?
Check the references section above for vendor advisories and patch information. Affected products include: Discourse Discourse.