medium6.3
CVE-2026-72728
Discourse is an open-source discussion platform.
Impact
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
| Product | Affected versions |
|---|---|
| Discourse Is An Open-Source Discussion Platform. | before 2026.1.7 |
Versions were read from the advisory text. No structured product data has been published for this record yet.