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CVE-2026-27481

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CVE-2026-27481

Published: Apr 3, 2026

Modified: Apr 7, 2026

PUBLISHED

Description

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 vulnerability allows unauthenticated or unauthorized users to view hidden (staff-only) tags and its associated data. All Discourse instances with tagging enabled and staff-only tag groups configured are impacted. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

VendorProductVersions

discourse

discourse

affected
>= 2026.1.0-latest, < 2026.1.3
affected
>= 2026.2.0-latest, < 2026.2.2
affected
>= 2026.3.0-latest, < 2026.3.0

Weaknesses (CWE)

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