decidim-core Security Analysis
decidim-core has 9 known security vulnerabilities in RubyGems (Ruby). Upgrade to version 0.32.0 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 0.32.0
Upgrading to 0.32.0 or later resolves all 9 known vulnerabilities in decidim-core. Run: gem install decidim-core -v 0.32.0
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Check if you're affected and upgrade to 0.32.0 to stay secure.
Vulnerabilities
9 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details.
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2026-23891 Decidim has a cross-site scripting (XSS) in user name | CRITICAL | 0.31.0, 0.31.0.rc1, 0.31.0.rc2, 0.0.1 (+157 more) | 0.31.1, 0.30.5 |
| CVE-2026-40869 Decidim amendments can be accepted or rejected by anyone | HIGH | 0.31.0, 0.31.0.rc1, 0.31.0.rc2, 0.19.0 (+80 more) | 0.31.1, 0.30.5 |
| CVE-2023-34089 Decidim Cross-site Scripting vulnerability in the processes filter | HIGH | 0.14.1, 0.14.2, 0.14.3, 0.14.4 (+48 more) | 0.26.7, 0.27.3 |
| CVE-2025-65017 Decidim's private data exports can lead to data leaks | HIGH | 0.30.0, 0.30.1, 0.30.2, 0.30.3 | 0.30.4 |
| CVE-2026-45377 Decidim: Private exports can be downloaded through reusable links | MEDIUM | 0.0.1, 0.0.1.alpha1, 0.0.1.alpha2, 0.0.1.alpha3 (+168 more) | 0.30.9, 0.31.5, 0.32.0 |
| CVE-2026-45573 Decidim: Push subscriptions can be abused for server-side requests | MEDIUM | 0.0.1, 0.0.1.alpha1, 0.0.1.alpha2, 0.0.1.alpha3 (+168 more) | 0.30.9, 0.31.5, 0.32.0 |
| CVE-2023-51447 Cross-site scripting (XSS) in the dynamic file uploads | MEDIUM | 0.27.0, 0.27.1, 0.27.2, 0.27.3 (+1 more) | 0.27.5 |
| CVE-2023-32693 Decidim Cross-site Scripting vulnerability in the external link redirections | MEDIUM | 0.27.0, 0.27.1, 0.27.2, 0.25.0 (+10 more) | 0.27.3, 0.26.7 |
| CVE-2026-45572 Decidim: HTML content blocks allow stored script execution | MEDIUM | 0.0.1, 0.0.1.alpha1, 0.0.1.alpha2, 0.0.1.alpha3 (+168 more) | 0.30.9, 0.31.5, 0.32.0 |
About This Data
Vulnerability data for decidim-core is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related RubyGems (Ruby) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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