CVE-2026-27935
Discourse leaks private topic metadata to non-authorized users
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
11th
Discourse is an open-source discussion platform. Versions prior to 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 have a vulnerability in an API endpoint that discloses private topic metadata of admin users to moderator users even if the moderators do not have access to the private topics. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
| CWE | CWE-201 |
| Vendor | discourse |
| Product | discourse |
| Published | Mar 19, 2026 |
| Last Updated | Mar 20, 2026 |
Stay Ahead of the Next One
Get instant alerts for discourse discourse
Be the first to know when new unknown vulnerabilities affecting discourse discourse are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
discourse / discourse
>= 2026.1.0-latest, < 2026.1.2 >= 2026.2.0-latest, < 2026.2.1 = 2026.3.0-latest
References
github.com: https://github.com/discourse/discourse/security/advisories/GHSA-wxqr-r4wv-cw76 github.com: https://github.com/discourse/discourse/commit/c0f6e9a903800de0dda65c114418ae703d8a51fc github.com: https://github.com/discourse/discourse/commit/d8dbb4cb189cded8c9e8b3ada859fc0db3f41897 github.com: https://github.com/discourse/discourse/commit/f37e4fdf8391e4a54f1885a3a5514d390eb28bab