Information disclosure in Discourse

CVE-2026-33300

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 in the Category Chatables Controller sho…

Vulnerability class: Information Disclosure

EPSS: 0.001 (17.1th percentile) — read the EPSS interpretation.

Affected products

Discourse — versions >= 2026.1.0-latest, < 2026.1.3, >= 2026.2.0-latest, < 2026.2.2, >= 2026.3.0-latest, < 2026.3.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

https://github.com/discourse/discourse/security/advisories/GHSA-wrwm-vqx2-6x4v (x_refsource_CONFIRM)
https://github.com/discourse/discourse/commit/07f66658cce81a099a0d7115db5f3c69f5d3cca2 (x_refsource_MISC)