{"apiVersion":"1.0","identifier":"CVE-2026-72833","description":"The Grav API plugin (getgrav/grav-plugin-api) versions >= 1.0.6 and <= 1.0.11 contain a privilege escalation vulnerability. A scoped API key minted on a super-admin account bypasses its declared scope cap on four isSuperAdmin()-gated write endpoints (in GroupsController, AccountsConfigController, PreferencesController, and DashboardWidgetController). These endpoints authorize via a super-admin early-return that never invokes requirePermission()—the sole enforcement point of the scope cap—so a -read-only--scoped key (e.g. api.pages.read) can perform super-only write operations, including rewriting group ACL maps to grant super-admin privileges to arbitrary accounts. A leaked or delegated read-only CI/monitoring key can therefore gain full super-admin write capability. Fixed in 1.0.13.","publishedAt":"2026-08-14T12:16:46","lastModifiedAt":"2026-08-17T16:17:45","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72833","cvssScore":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","epssProbability":0.00261,"riskScore":0.9,"affectedProduct":"Grav API plugin","affectedVersions":">=1.0.6,<=1.0.11","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-72833","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-72833","en":"https://www.redsauce.net/en/cves/CVE-2026-72833","fr":"https://www.redsauce.net/fr/cves/CVE-2026-72833","pt":"https://www.redsauce.net/pt/cves/CVE-2026-72833","de":"https://www.redsauce.net/de/cves/CVE-2026-72833","sk":"https://www.redsauce.net/sk/cves/CVE-2026-72833","el":"https://www.redsauce.net/el/cves/CVE-2026-72833"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-72833"}}