Missing Authorization Affecting craftcms/cms package, versions >=4.0.0-RC1, <4.17.8>=5.0.0-RC1, <5.9.14
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- published31 Mar 2026
- disclosed26 Mar 2026
- creditBaozongwi'xd
Introduced: 26 Mar 2026
New CVE NOT AVAILABLE CWE-639 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade craftcms/cms to version 4.17.8, 5.9.14 or higher.
Overview
craftcms/cms is a content management system.
Affected versions of this package are vulnerable to Missing Authorization in the assets/preview-file. An attacker can access unauthorized preview metadata by sending crafted requests with a controlled assetId parameter, allowing retrieval of private preview HTML for assets they are not permitted to view.