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Craft is a platform for creating digital experiences. Versions 5.0.0-RC1 through 5.8.20 and 4.0.0-RC1 through 4.16.16 are vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior. Note that attackers must have administrator access to the Craft Control Panel for this to work. Users should update to the patched versions (5.8.21 and 4.16.17) to mitigate the issue.
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OR
*cpe:2.3:a:craftcms:craft_cms:4.0.0:rc3:*:*:*:*:*:*
*cpe:2.3:a:craftcms:craft_cms:4.0.0:rc1:*:*:*:*:*:*
*cpe:2.3:a:craftcms:craft_cms:4.0.0:rc2:*:*:*:*:*:*
*cpe:2.3:a:craftcms:craft_cms:4.0.0:-:*:*:*:*:*:*
*cpe:2.3:a:craftcms:craft_cms:5.0.0:rc1:*:*:*:*:*:*
*cpe:2.3:a:craftcms:craft_cms:5.0.0:-:*:*:*:*:*:*
*cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:* versions from (including) 5.0.1 up to (excluding) 5.8.21
*cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:* versions from (including) 4.0.0.1 up to (excluding) 4.16.17
New CVE Received from GitHub, Inc.1/05/2026 5:15:52 PM
Action
Type
Old Value
New Value
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Description
Craft is a platform for creating digital experiences. Versions 5.0.0-RC1 through 5.8.20 and 4.0.0-RC1 through 4.16.16 are vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior. Note that attackers must have administrator access to the Craft Control Panel for this to work. Users should update to the patched versions (5.8.21 and 4.16.17) to mitigate the issue.