Servers and applications
CVE-2026-26979
Discourse is an open source discussion platform. Prior to versions 2025.12.2, 2026.1.1, and 2026.2.0, TL4 users are able to close, archive and pin topics in private categories they don't have access to. Versions 2025.12.2, 2026.1.1, and 2026.2.0 patch the issue. No known workarounds are available.
- Severity
- Unrated
- Published
- 26 Feb 2026
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Fixed in
- 2025.12.0, 2026.1.1
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
DiscourseServers and applications · cpe:a:discourse:discourse |
|