CVE-2026-33394
Discourse leaks PM post edits to moderators
CVSS Score
2.7
EPSS Score
0.0%
EPSS Percentile
7th
Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the Post Edits admin report (/admin/reports/post_edits) leaked the first 40 characters of raw post content from private messages and secure categories to moderators who shouldn't have access. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
| CWE | CWE-200 |
| Vendor | discourse |
| Product | discourse |
| Published | Mar 19, 2026 |
| Last Updated | Mar 20, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
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-wxvr-pm5c-829p github.com: https://github.com/discourse/discourse/commit/3bf3793a708662716c0a4eaf64ae091abe71ab4c github.com: https://github.com/discourse/discourse/commit/473288219e93cd17576cf15e4f0b9e388a31d0c1 github.com: https://github.com/discourse/discourse/commit/62721429d4402505d21280bcbe5894032447d800