CVE-2026-72829

High

Description

The Grav API plugin (getgrav/grav-plugin-api) before 1.0.13 contains an API-key scope-cap bypass in UsersController's create() and update() methods. These methods enforce the scope cap only for api.users.write, but gate super-privilege grants on a bare isSuperAdmin() check that reads access.api.super directly without consulting the key's scopes. As a result, an api.users.write-scoped key minted on a super account can set access.api.super or assign a super-granting group to mint or promote a full super account, then authenticate as that account for uncapped administrative privileges.

SeverityHigh
CVSS8.8
Exploit probability—
ProductGrav
PublishedAug 14, 2026
First seenAug 14, 2026

How to fix

Update
  • getgrav grav1.0.13 or later

Affected products

ProductAffected versionsFixed in
getgrav gravv < 1.0.131.0.13

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