Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 6.3 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0049, the 42nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
- GitHub Advisory Database: GHSA-9w99-78rj-hmxq
- OSV: GHSA-9w99-78rj-hmxq
- github.com/decidim/decidim/security/advisories/GHSA-9w99-78rj-hmxq
- nvd.nist.gov/vuln/detail/CVE-2023-51447
- github.com/decidim/decidim/pull/11612
- github.com/decidim/decidim/commit/aaf72787cf18beeeb6a771c1f7cbb7654b073423
- github.com/decidim/decidim
- github.com/decidim/decidim/releases/tag/v0.27.5
- github.com/decidim/decidim/releases/tag/v0.28.0
- github.com/rails/rails/blob/a967d355c6fee9ad9b8bd115d43bc8b0fc207e7e/activestorage/app/controllers/active_storage/direct_uploads_controller.rb#L14