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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-30889

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

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

discourse discourse

  • >= 2026.1.0-latest, < 2026.1.2affected
  • >= 2026.2.0-latest, < 2026.2.1affected
  • = 2026.3.0-latest.1affected

References