CVE-2026-44780 Discourse: Category queue reviewers can read raw incoming emails from queued posts

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.4, 2026.3.0-latest to before 2026.3.1, and 2026.4.0-latest to before 2026.4.1, ReviewableQueuedPostSerializer unconditionally included payload"rawemail" for posts that arrived via incoming email...

CVE-2026-44780

Summary of CVE-2026-44780 (Discourse) : The flaw arises in the ReviewableQueuedPostSerializer where, for posts arriving via incoming email, payload["raw_email"] was unconditionally included. This allowed category moderation group members in the review queue to access the full inbound email conten...