Discourse has moderator privilege escalation via arbitrary p… (CVE-2026-30888)

Summary

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

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

Affected packages

Bitnami discourse

[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.0"}]}]

References

advisory github.com
web nvd.nist.gov