{"cve":{"cve_id":"CVE-2026-56385","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00221,"epss_percentile":0.12469,"epss_as_of":"2026-06-23","description":"Craft CMS versions >= 5.0.0-RC1, <= 5.9.13 and >= 4.0.0-RC1, <= 4.17.7 contain an authorization bypass in the assets/preview-file endpoint. The action does not enforce per-asset view authorization before returning preview content, allowing an authenticated low-privileged user to supply a controlled assetId for an asset they are not permitted to view and still receive preview response data (previewHtml), including a private preview image route containing the target private assetId. 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System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"craftcms","vendor_name":"craftcms","product_slug":"cms","product_name":"cms","version_start":"5.0.0-RC1","version_start_inclusive":true,"version_end":"5.9.14","version_end_inclusive":false,"cpe23_uri":"cve5:craftcms:cms:5.0.0-RC1:5.9.14"},{"vendor_slug":"craftcms","vendor_name":"craftcms","product_slug":"cms","product_name":"cms","version_start":"5.9.14","version_start_inclusive":true,"version_end":"5.9.14","version_end_inclusive":true,"cpe23_uri":"cve5:craftcms:cms:5.9.14:5.9.14"},{"vendor_slug":"craftcms","vendor_name":"craftcms","product_slug":"cms","product_name":"cms","version_start":"4.0.0-RC1","version_start_inclusive":true,"version_end":"4.17.8","version_end_inclusive":false,"cpe23_uri":"cve5:craftcms:cms:4.0.0-RC1:4.17.8"},{"vendor_slug":"craftcms","vendor_name":"craftcms","product_slug":"cms","product_name":"cms","version_start":"4.17.8","version_start_inclusive":true,"version_end":"4.17.8","version_end_inclusive":true,"cpe23_uri":"cve5:craftcms:cms:4.17.8:4.17.8"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/craftcms/cms/security/advisories/GHSA-44px-qjjc-xrhq","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/craftcms/cms/commit/d30df3112220db1ffd6726a3ed11857014c7fb27","source_type":"PATCH","tags":["patch"]},{"url":"https://www.vulncheck.com/advisories/craft-cms-authorization-bypass-in-assets-preview-file-endpoint","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"published","at":"2026-06-21T13:27:01.066000Z","label":"CVE 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