CVE-2026-56385
1 advisory.
Packagist/craftcms/cms CVE-2026-56385: low
Craft CMS: Authorized asset "preview file" requests bypass allows users without asset access to retrieve private preview metadata
Action: Upgrade craftcms/cms to 4.17.8 or later.
composer require craftcms/cms:5.9.14composer require craftcms/cms:4.17.8Affected
| introduced | fixed | last affected |
|---|---|---|
| 5.0.0-RC1 | 5.9.14 | - |
| 4.0.0-RC1 | 4.17.8 | - |
Fixed versions
| 5.9.14 | 4.17.8 |
Sources
- osv: GHSA-44px-qjjc-xrhq
- https://github.com/craftcms/cms/security/advisories/GHSA-44px-qjjc-xrhq
- https://nvd.nist.gov/vuln/detail/CVE-2026-56385
- https://github.com/craftcms/cms/commit/b1cddf72c98a66801beb04ea4b07e72182b7b7db
- https://github.com/craftcms/cms/commit/d30df3112220db1ffd6726a3ed11857014c7fb27
- https://github.com/craftcms/cms
- https://www.vulncheck.com/advisories/craft-cms-authorization-bypass-in-assets-preview-file-endpoint
CVE-2026-56385 · published · modified · JSON