Security Advisory

CVE-2026-28218

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-26 21:23:32

Last updated 2026-03-02 21:10:27

Assigner GitHub_M

State PUBLISHED

Description

Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, fail-open access control in Data Explorer plugin allows any authenticated user to execute SQL queries that have no explicit group assignments, including built-in system queries. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. As a workaround, either explicitly set group permissions on each Data Explorer query that doesnt have permissions, or disable discourse-data-explorer plugin.

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