CVE-2026-34154

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, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. 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