Description
Discourse is an open-source discussion platform. Prior to 2026.1.7, an authenticated user could submit specially formed URLs that bypassed the Onebox allowlist and embedded malicious content in a site. This issue is fixed in versions 2026.1.7, 2026.6.2, 2026.7.1, and 2026.8.0-latest.1.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
discourse discourse
< 2026.1.7affected>= 2026.6.0-latest, < 2026.6.2affected>= 2026.7.0-latest, < 2026.7.1affected>= 2026.8.0-latest, < 2026.8.0-latest.1affected