PT-2026-26710 · Discourse · Discourse

Published

2026-03-20

·

Updated

2026-03-21

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CVE-2026-33426

CVSS v3.1

3.5

Low

AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, users with tag-editing permissions could edit and create synonyms for tags hidden in restricted tag groups, even if they lacked visibility into those tags. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Fix

Missing Authorization

Weakness Enumeration

Related Identifiers

CVE-2026-33426

Affected Products

Discourse