CVE-2026-30889 — Discourse has Unauthorized Post Data Exposure in discourse-user-notes

CVE-2026-30889

Discourse has Unauthorized Post Data Exposure in discourse-user-notes PUBLISHED

Description (CNA)

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, a moderator could exploit insufficient authorization checks to access metadata of posts they should not have permission to view. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch.

Affected (CNA)

Vendor / product	Versions
discourse / discourse	affected >= 2026.1.0-latest, < 2026.1.2; affected >= 2026.2.0-latest, < 2026.2.1; affected = 2026.3.0-latest.1

CWE

CWE-862

References

https://github.com/discourse/discourse/security/advisories/GHSA-5qm9-r98f-g4mq

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.