CVE-2026-44787 — Discourse: Signup-time primary_group_id assignment grants whisperer access
Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the signup flow could allow newly registered users to set primary_group_id …
Published: 2026-07-09 · CVSS: 8.2 · CVSS 3.1
Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the signup flow could allow newly registered users to set primary_group_id and gain whisper-group privileges without legitimate group membership on sites with whispers_allowed_groups configured. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7