CVE-2025-65017: Decidim

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Decidim is a participatory democracy framework. In versions from 0.30.0 to before 0.30.4 and from 0.31.0.rc1 to before 0.31.0, the private data exports can lead to data leaks in case the UUID generation, causing collisions for the generated UUIDs. This issue has been patched in versions 0.30.4 and 0.31.0.

Affected products

• Decidim Decidim: from 0.30.0, before 0.30.4 (fixed in 0.30.4); version 0.31.0 only

Published 2026-02-03. Last modified 2026-06-17.