CVE-2026-33291 — Discourse user can create Zendesk tickets even when it does not have access to topic

CVE-2026-33291

Discourse user can create Zendesk tickets even when it does not have access to topic PUBLISHED

Description (CNA)

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, moderators can create Zendesk tickets for topics they do not have access to view. This affects all forums that use the Zendesk plugin. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Affected (CNA)

Vendor / product	Versions
discourse / discourse	affected >= 2026.1.0-latest, < 2026.1.2; affected >= 2026.2.0-latest, < 2026.2.1; affected = 2026.3.0-latest

CWE

CWE-863

References

https://github.com/discourse/discourse/security/advisories/GHSA-p26h-jqr4-r6j7

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.