CVE-2026-45330: Decidim

Medium severity, CVSS 4.9. EPSS: 0.5% chance of exploitation in the next 30 days.

Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the identity-document verification admin controllers load pending Authorization records by raw identifier without confirming current_organization ownership, allowing an administrator from one tenant to view, approve, or reject another tenant’s ID-document request. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.

Affected products

• Decidim Decidim: before 0.30.9 (fixed in 0.30.9); from 0.31.0, before 0.31.5 (fixed in 0.31.5); from 0.32.0.rc1, before 0.32.0.rc2 (fixed in 0.32.0.rc2)

Published 2026-07-31. Last modified 2026-09-08.