Information Exposure Affecting decidim-core package, versions <0.30.9>=0.31.0.rc1, <0.31.5>=0.32.0.rc1, <0.32.0.rc2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RUBY-DECIDIMCORE-17970857
- published14 Jul 2026
- disclosed13 Jul 2026
- creditUnknown
Introduced: 13 Jul 2026
NewCVE-2026-45377 (opens in a new tab)How to fix?
Upgrade decidim-core to version 0.30.9, 0.31.5, 0.32.0.rc2 or higher.
Overview
Affected versions of this package are vulnerable to Information Exposure via the download_file process. An attacker can access sensitive export files by replaying a leaked or intercepted signed URL without authentication. This is possible if the signed Active Storage URL is obtained through browser history, logs, proxy tools, screenshots, copied links, or support transcripts.
Workaround
This vulnerability can be mitigated by disabling Private Downloads URLs.