CVE-2026-44786
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, chat events for public category channels are published to MessageBus without permission scoping, so any MessageBus subscriber without chat enabled could receive chat message payloads in real time. This issue has been patched in versions 2026.1.4, 2026.3.1, 2026.4.1, and 2026.5.0-latest.1.
- Affected products
- Discourse
- Discourse
- < 2026.1.0, 2026.1.4, 2026.3.1, 2026.4.1, 2026.5.0
- Fix
- Available
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.3% (18th percentile)
- Weakness
- CWE-200
- NVD status
- Analyzed
- Published
- 2026-06-12
CVE-2026-44786 at NVD
No indexed exploits for CVE-2026-44786 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2026-44786 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.