medium5.3
CVE-2026-53960
Discourse is an open-source discussion platform.
Impact
Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, hidden or otherwise unviewable first-post content was leaked as an excerpt in the publicly-served Q&A (QAPage) JSON-LD structured data, exposing it to any unauthenticated visitor and to search-engine crawlers. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.
Affected products
| Product | Affected versions |
|---|---|
| Discourse Is An Open-Source Discussion Platform. | before 2026.1.6 |
Versions were read from the advisory text. No structured product data has been published for this record yet.