VULNERABILITY INTELLIGENCE

CVE-2026-23891

CVSS score8.7 HIGH
EPSS probability0.36%
CISA KEVNot currently listed
Published2026-04-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Description

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.

Weakness classification

  • security-advisories@github.com: CWE-79

Primary references