CVE-2026-33514

Summary

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1, an authenticated user on a Discourse instance with the form templates feature enabled can read the name and structured content of form templates that are intended exclusively for categories they are not authorized to access. Impact is limited to disclosure of site configuration metadata. This issue has been fixed in versions 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0-latest.1.

Affected Software

VendorProductVersion RangeStatus
discoursediscourse< 2026.1.4affected
discoursediscourse>= 2026.3.0-latest, < 2026.3.1affected
discoursediscourse>= 2026.4.0-latest, < 2026.4.1affected
discoursediscourse>= 2026.5.0-latest , < 2026.5.0-latest.1affected

Weaknesses

  • CWE-862: CWE-862: Missing Authorization

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References