CVE-2026-30888 LOW

CVE-2026-30888: Discourse has moderator privilege escalation via arbitrary post_id in suspend/silence endpoint

Vendor Discourse
Product discourse
Weakness CWE-269
Published March 20, 2026
Last update March 21, 2026

CVSS base score

2.2/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 20, 2026 CVE published
March 21, 2026 Record updated