CVE-2026-44782 Discourse: GroupPostSerializer leaks hidden full names through reaction post association

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, GroupPostSerializer declared includeuserlongname? as the predicate for its :name attribute, but AMS looks for includename?...

CVE-2026-44782 Discourse: GroupPostSerializer leaks hidden full names through reaction post association

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, GroupPostSerializer declared includeuserlongname? as the predicate for its :name attribute, but AMS looks for includename?...

EUVD-2026-36585

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, GroupPostSerializer declared includeuserlongname? as the predicate for its :name attribute, but AMS looks for includename?...

CVE-2026-44782

Discourse (open-source) is affected. In versions 2026.1.0-latest–2026.1.3.x, 2026.3.0-latest–2026.3.0.x, and 2026.4.0-latest–2026.4.0.x, GroupPostSerializer used include_user_long_name? as the predicate for the :name attribute. AMS checks for include_name?, but the misnamed predicate was never in...

PT-2026-48979

Name of the Vulnerable Software and Affected Versions Discourse versions 2026.1.0 through 2026.1.3 Discourse versions 2026.3.0 Discourse versions 2026.4.0 Description An issue exists in the GroupPostSerializer where the predicate for the :name attribute was incorrectly declared as include user lo...