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OpenAdvisories
Medium · 5.4 CVE-2026-33251 EUVD-2026-13895

Discourse has a Hidden Solved topics permission bypass

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, an authorization bypass vulnerability in hidden Solved topics may allow unauthorized users to accept or unaccept solutions. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, ensure only trusted users are part of the Site Setting for accept_all_solutions_allowed_groups.

Affected products

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

References