VulnCheck KEV: CVE-2026-86538

knowns versions before 0.30.0 contain a path traversal vulnerability in the POST /api/templates/preview endpoint that allows unauthenticated attackers to read arbitrary files. Attackers can supply directory traversal sequences in the templateFile parameter to bypass path restrictions and read...

CVE-2026-86538

knowns versions before 0.30.0 contain a path traversal vulnerability in the POST /api/templates/preview endpoint that allows unauthenticated attackers to read arbitrary files. Attackers can supply directory traversal sequences in the templateFile parameter to bypass path restrictions and read...

CVE-2026-86538: Improper Limitation of a Pathname to a Restricted Directory

knowns versions before 0.30.0 contain a path traversal vulnerability in the POST /api/templates/preview endpoint that allows unauthenticated attackers to read arbitrary files. Attackers can supply directory traversal sequences in the templateFile parameter to bypass path restrictions and read...

PT-2026-86931

Name of the Vulnerable Software and Affected Versions knowns versions prior to 0.30.0 Description An issue exists where unauthenticated attackers can read arbitrary files by supplying directory traversal sequences in the templateFile parameter. This occurs via the 'POST /api/templates/preview'...

Cross-site Request Forgery (CSRF)

Overview Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via the templates/preview process. An attacker can execute arbitrary JavaScript code in the context of an authenticated user's browser by crafting a malicious HTML page that submits a POST request without...

CVE-2023-47635

Decidim is a participatory democracy framework. Starting in version 0.23.0 and prior to versions 0.27.5 and 0.28.0, the CSRF authenticity token check is disabled for the questionnaire templates preview. The issue does not imply a serious security thread as you need to have access also to the...

Decidim security breach

Decidim is a participatory democracy framework written in Ruby on Rails. A security vulnerability exists in Decidim versions 0.23.0 through 0.27.4, which stems from a possible cross-site request forgery attack in the questionnaire templates preview...

PT-2024-13465 · Decidim · Decidim

Name of the Vulnerable Software and Affected Versions: Decidim versions 0.23.0 through 0.27.4 Decidim versions 0.28.0 before the fix Description: Decidim is a participatory democracy framework. The CSRF authenticity token check is disabled for the questionnaire templates preview, which may allow...