Information disclosure in Discourse

CVE-2026-34947

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, staged user custom fields and username are exposed on public inv…

Vulnerability class: Information Disclosure

EPSS: 0.001 (17.0th percentile) — read the EPSS interpretation.