Discourse <2026.3.0-LATEST.1 mod can edit Policy docs
CVE-2026-30888 Published on March 20, 2026
Discourse has moderator privilege escalation via arbitrary post_id in suspend/silence endpoint
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.
Vulnerability Analysis
CVE-2026-30888 is exploitable with network access, and requires user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
Improper Privilege Management
The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Products Associated with CVE-2026-30888
Want to know whenever a new CVE is published for Discourse? stack.watch will email you.
Affected Versions
discourse:- Version < 2026.3.0-latest.1 is affected.
- Version >= 2026.2.0-latest, < 2026.2.1 is affected.
- Version >= 2026.1.0-latest, < 2026.1.2 is affected.