CVE-2026-33428
Discourse Allows Unauthorized Access to Deleted Posts Index via Group Membership
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
8th
Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, a non-staff user with elevated group membership could access deleted posts belonging to any user due to an overly broad authorization check on the deleted posts index endpoint. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
| CWE | CWE-863 |
| Vendor | discourse |
| Product | discourse |
| Published | Mar 20, 2026 |
| Last Updated | Mar 25, 2026 |
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Affected Versions
discourse / discourse
= 2026.3.0-latest >= 2026.2.0-latest, < 2026.2.1 >= 2026.1.0-latest, < 2026.1.2