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vuln-cve/data/2026/65xxx/CVE-2026-65603.json
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{
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"cveId": "CVE-2026-65603",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
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"dateReserved": "2026-07-22T10:48:36.000Z",
"datePublished": "2026-07-22T11:21:48.928Z",
"dateUpdated": "2026-07-22T16:00:38.403Z"
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"datePublic": "2026-07-08T00:00:00.000Z",
"title": "Grav Login Plugin 3.8.11 Privilege Escalation via Profile Update",
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"lang": "en",
"value": "The Grav Login plugin (grav-plugin-login) versions <= 3.8.11 contain a privilege escalation flaw in the authenticated profile self-update handler (processUserProfile(), the update_user task). Unlike the registration handler, this handler does not strip privilege fields ('groups','access') from user-submitted form data before persisting them. When an administrator has added 'groups' and/or 'access' to plugins.login.user_registration.fields and the default 'regular'/DataUser account backend is in use, a low-privilege authenticated user can POST crafted profile form data (e.g. access[admin][super]=true) to escalate to super-admin, enabling admin panel access, scheduler abuse (RCE), and Twig evaluation. Fixed in 3.8.12."
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"description": "Improper Privilege Management",
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"attackComplexity": "LOW",
"attackRequirements": "NONE",
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"references": [
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"url": "https://github.com/getgrav/grav/security/advisories/GHSA-h33v-82r9-v8pm",
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