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CVE-2026-72828 is a privilege-escalation vulnerability in getgrav/grav-plugin-api before version 1.0.13. The flaw resides in InvitationsController, where enforcement of API-key scope caps is incomplete. Specifically, logic governing removal of super-admin attributes and acceptance of group assignments relies on a bare isSuperAdmin() check instead of a permission check that respects the effective scope of the API key in use. As a result, an API key with limited scope such as api.users.write, when minted on a super-admin account, can create an invitation record that includes super-admin access flags. When the invitation is later accepted, those flags are applied to the newly created account without being stripped, allowing the new account to be provisioned with full super-admin privileges.
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A privilege escalation vulnerability in Grav Plugin API before 1.0.13 where a scoped API key created on a super account can bypass scope restrictions in InvitationsController and create an invitation that grants super-admin privileges to a new account.
A privilege escalation flaw in Grav API plugin InvitationsController allowing invited accounts to be assigned super-admin granting groups.
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Cross-references every affected SKU, including bundled OEM variants.
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