CVE-2026-23891
Decidim is a participatory democracy framework. In versions below 0.30.5 and 0.31.0.rc1 through 0.31.0, a stored code execution vulnerability in the user name field allows a low-privileged attacker to execute arbitrary code in the context of any user who passively visits a comment page, resulting in high confidentiality and integrity impact across security boundaries. This issue has been fixed in versions 0.30.5 and 0.31.1.
- Affected products
- Decidim
- Decidim
- < 0.30.5, 0.31.1
- Fix
- Available
- CVSS 4.0
- 9.3 CRITICAL
- CVSS 3.1
- 8.7 HIGH
- EPSS
- 0.4% (28th percentile)
- Weakness
- CWE-79
- NVD status
- Analyzed
- Published
- 2026-04-13
CVE-2026-23891 at NVD
No indexed exploits for CVE-2026-23891 yet
Our index is partial: it proves presence, never absence
No exploit for CVE-2026-23891 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.