CVE-2026-27934
Discourse is an open-source discussion platform. Versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 have a lack of visibility checks with a user action API endpoint that results in disclosure of the title and post excerpt to unauthorized users, leading to information disclosure. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
- Affected products
- Discourse
- Discourse
- < 2026.1.2, 2026.2.1, 2026.3.0
- Fix
- Available
- CVSS 4.0
- 8.7 HIGH
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.3% (17th percentile)
- Weakness
- CWE-201
- NVD status
- Analyzed
- Published
- 2026-03-19
CVE-2026-27934 at NVD
No indexed exploits for CVE-2026-27934 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2026-27934 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.