CVE-2026-30888
Discourse has moderator privilege escalation via arbitrary post_id in suspend/silence endpoint
5.5
MEDIUM
CVSS 3.1
EPSS 0.01%
Description
Discourse is an open-source discussion platform. Versions prior to 2026.3.0, 2026.2.1, and 2026.1.2 allow a moderator to edit site policy documents (ToS, guidelines, privacy policy) that they are explicitly prohibited from modifying. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
How to fix CVE-2026-30888
To remediate CVE-2026-30888, upgrade the affected package to a fixed version below.
- —upgrade to 2026.3.0 or later
Is CVE-2026-30888 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2026.3.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N |