CVE-2026-30888

Discourse has moderator privilege escalation via arbitrary post_id in suspend/silence endpoint

State: Published
Severity: 2.2 Low
Published: Mar 20, 2026
Updated: Mar 21, 2026
Reserved: Mar 6, 2026

Description

Discourse is an open-source discussion platform. Versions prior to 2026.3.0-latest.1, 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-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Scores

CVSS	Score	Vector	Source
3.1	2.2 Low	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N	GitHub_M

Weaknesses

CWE-269 Improper Privilege Management

Affected Products

Product	Versions
discoursediscourse	< 2026.3.0-latest.1Affected >= 2026.2.0-latest, < 2026.2.1Affected >= 2026.1.0-latest, < 2026.1.2Affected

References

https://github.com/discourse/discourse/security/advisories/GHSA-jj9p-p7m6-jq96

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