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CVE-2026-45086GHSA-VQ6J-HJ8W-7V39

Decidim: Forms admin question editor lacks authorization

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 0.31.5, 0.32.0.rc2, 0.32.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

Decidim is a participatory democracy framework. From 0.31.1 before 0.31.5 and in 0.32.0.rc1 before 0.32.0.rc2, a participant can directly load /admin/demographics/questions/edit_questions and reach the demographics questionnaire editor without the required administrator authorization. The demographics questionnaire editor should require admin access, but the route under /admin/demographics/questions renders the editor interface without checking whether the caller is an admin. A normal participant can load the page and see the live update form action, which proves the protected interface is reachable. This issue is fixed in versions 0.31.5 and 0.32.0.rc2.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • decidim decidim

    From 0.31.1 · fixed in 0.31.5; From 0.32.0.rc1 · fixed in 0.32.0.rc2

  • decidim-demographicsRubyGems

    From 0.31.0 · fixed in 0.31.5

  • decidim-demographicsRubyGems

    From 0.32.0.rc1 · fixed in 0.32.0

References 3

GitHub · decidim/decidim