CVE-2026-64850
Description
Grav is a file-based Web platform. Prior to 2.0.7, Grav Blueprint::dynamicData() in system/src/Grav/Common/Data/Blueprint.php sends an editor-controlled Class::method provider and arguments to call_user_func_array() without rejecting dangerous callback parameters. An account with admin.pages or api.pages.write can use Grav\Common\Utils::arrayFilterRecursive() as a trampoline with system as the callback, place a command in page frontmatter, and execute that command as the web server user when the page is viewed. This issue is fixed in version 2.0.7.
How to fix
- getgrav/grav2.0.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| getgrav/gravPackagist | v < 2.0.7 | 2.0.7 |
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