Information disclosure in Decidim
CVE-2025-65017
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (18.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Decidim — versions 0.31.0, >= 0.31.0.r1, < 0.31.0, >= 0.30.0, < 0.30.4
Weakness classification (CWE)
References
- github.com/decidim/decidim/security/advisories/GHSA-3cx6-j9j4-54mp (Vendor Advisory)
- github.com/decidim/decidim/pull/13571 (Patch, Issue Tracking)
- github.com/decidim/decidim/releases/tag/v0.30.4 (Release Notes)
- github.com/decidim/decidim/releases/tag/v0.31.0 (Release Notes)
Frequently asked questions
- What is CVE-2025-65017?
- CVE-2025-65017 is a medium-severity vulnerability in Decidim, classified under Information Disclosure. CVSS score: 6.5/10. Published 2026-02-03.
- How severe is CVE-2025-65017?
- Medium severity. CVSS v3 base score is 6.5 out of 10.