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CVE-2026-32619

Discourse: Insufficient topic visibility check allows unauthorized poll manipulation in private categories

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2026.1.3, 2026.2.2, 2026.3.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, users who lost access to a topic (e.g., removed from a private category group) could still interact with polls in that topic, including voting and toggling poll status. No content was exposed, but users could modify poll state in topics they should no longer have access to. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • discourse discourse

    From 2026.1.0-latest · fixed in 2026.1.3; From 2026.2.0-latest · fixed in 2026.2.2; From 2026.3.0-latest · fixed in 2026.3.0

References 2

GitHub · discourse/discourse