CVE-2026-33408
Discourse has Improper Authorization in "Post Edits" Report For Moderators
2.7
LOW
CVSS 3.1
EPSS 0.01%
Description
Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, moderators were able to see the first 40 characters of post edits in PMs and private categories. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
How to fix CVE-2026-33408
To remediate CVE-2026-33408, upgrade the affected package to a fixed version below.
- —upgrade to 2026.1.2 or later
Is CVE-2026-33408 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 2026.1.0, < 2026.1.2, >= 2026.2.0, < 2026.2.1, >= 2026.3.0, < 2026.3.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N |
References (5)
- WEBgithub.com/discourse/discourse/commit/3bf3793a708662716c0a4eaf64ae091abe71ab4c
- WEBgithub.com/discourse/discourse/commit/473288219e93cd17576cf15e4f0b9e388a31d0c1
- WEBgithub.com/discourse/discourse/commit/62721429d4402505d21280bcbe5894032447d800
- WEBgithub.com/discourse/discourse/security/advisories/GHSA-wf9r-386h-g29c