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OpenAdvisories
Medium · 5.1 CVE-2026-33291 EUVD-2026-13896

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

Published Mar 20, 2026 · Updated Mar 24, 2026 · Assigned by GitHub_M

Description

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 products

VendorProductAffectedFixed
discourse discourse >= 2026.1.0-latest, < 2026.1.2, >= 2026.2.0-latest, < 2026.2.1, = 2026.3.0-latest —

References