CVE-2026-33394

Low

Description

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the Post Edits admin report (/admin/reports/post_edits) leaked the first 40 characters of raw post content from private messages and secure categories to moderators who shouldn't have access. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

SeverityLow
CVSS2.7
Exploit probability—
ProductDiscourse
PublishedMar 19, 2026
First seenMar 19, 2026

How to fix

Update
  • discourse discourse2026.1.2, 2026.2.1 or later

Affected products

ProductAffected versionsFixed in
discourse discourse2026.1.0 ≤ v < 2026.1.2, 2026.2.0 ≤ v < 2026.2.1, 2026.3.02026.1.2, 2026.2.1

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