{"items":[{"id":"NVI-00017773","kind":"vulnerability","title":"Decidim: Verification documents can be downloaded through reusable links","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3mvf-82qp-8qh5","CVE-2026-45378"],"plain_summary":"GitHub lists this reviewed advisory for decidim-verifications, decidim-verifications, decidim-verifications. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-614d6acedde41323dd5418592e305022"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-07-13T17:10:13.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-614d6acedde41323dd5418592e305022"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-614d6acedde41323dd5418592e305022","url":"https://github.com/advisories/GHSA-3mvf-82qp-8qh5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3mvf-82qp-8qh5","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T23:34:12.429Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-614d6acedde41323dd5418592e305022"],"technology":"decidim-verifications","known_exclusions":[],"conditions_summary":"## Description\n\nScanned identity-document images provided by participants and shown in the verification admin workflow are exposed through signed `/rails/active_storage/disk/` URLs that can be fetched without any authenticated session.\n\nAnyone who obtains one of those URLs can retrieve the document until the signature expires.\n\n## Technical description\n\nThis issue comes from the verification admin UI exposing scanned documents through reusable Active Storage disk links. Verification-document images are rendered with `variant_url(...)`, which produces signed `/rails/active_storage/disk/...` links instead of routing the file through an authorization-checking controller. Because Decidim configures Active Storage service URLs to remain valid for seven days, the URL itself becomes the credential for that period.\n\nThe affected files are `verification_attachment` blobs on Decidim::Authorization, and the admin review pages embed those signed URLs directly into the HTML for pending and confirmation views.\n\nReproduction steps:\n\n1. Create a fresh verification document as a normal user.\n1.1. Open http://localhost:3001/users/sign_in.\n1.2. Open http://localhost:3001/id_documents/authorizations/n","public_affected_ranges":["< 0.30.9"]},{"certainty":"source_listed","source_ids":["sr-614d6acedde41323dd5418592e305022"],"technology":"decidim-verifications","known_exclusions":[],"conditions_summary":"## Description\n\nScanned identity-document images provided by participants and shown in the verification admin workflow are exposed through signed `/rails/active_storage/disk/` URLs that can be fetched without any authenticated session.\n\nAnyone who obtains one of those URLs can retrieve the document until the signature expires.\n\n## Technical description\n\nThis issue comes from the verification admin UI exposing scanned documents through reusable Active Storage disk links. Verification-document images are rendered with `variant_url(...)`, which produces signed `/rails/active_storage/disk/...` links instead of routing the file through an authorization-checking controller. Because Decidim configures Active Storage service URLs to remain valid for seven days, the URL itself becomes the credential for that period.\n\nThe affected files are `verification_attachment` blobs on Decidim::Authorization, and the admin review pages embed those signed URLs directly into the HTML for pending and confirmation views.\n\nReproduction steps:\n\n1. Create a fresh verification document as a normal user.\n1.1. Open http://localhost:3001/users/sign_in.\n1.2. Open http://localhost:3001/id_documents/authorizations/n","public_affected_ranges":[">= 0.31.0.rc1, < 0.31.5"]},{"certainty":"source_listed","source_ids":["sr-614d6acedde41323dd5418592e305022"],"technology":"decidim-verifications","known_exclusions":[],"conditions_summary":"## Description\n\nScanned identity-document images provided by participants and shown in the verification admin workflow are exposed through signed `/rails/active_storage/disk/` URLs that can be fetched without any authenticated session.\n\nAnyone who obtains one of those URLs can retrieve the document until the signature expires.\n\n## Technical description\n\nThis issue comes from the verification admin UI exposing scanned documents through reusable Active Storage disk links. Verification-document images are rendered with `variant_url(...)`, which produces signed `/rails/active_storage/disk/...` links instead of routing the file through an authorization-checking controller. Because Decidim configures Active Storage service URLs to remain valid for seven days, the URL itself becomes the credential for that period.\n\nThe affected files are `verification_attachment` blobs on Decidim::Authorization, and the admin review pages embed those signed URLs directly into the HTML for pending and confirmation views.\n\nReproduction steps:\n\n1. Create a fresh verification document as a normal user.\n1.1. Open http://localhost:3001/users/sign_in.\n1.2. Open http://localhost:3001/id_documents/authorizations/n","public_affected_ranges":[">= 0.32.0.rc1, < 0.32.0"]}],"null_published_at":"2026-11-05T19:10:21.466Z","source_updated_at":"2026-07-13T17:10:13.000Z","source_disclosed_at":"2026-07-13T17:10:12.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-04T23:34:12.429Z"}],"next_cursor":null,"snapshot_revision":"42594"}