Auth bypass in Getgrav Grav-Plugin-Flex-Objects
CVE-2026-62670
Grav Flex Objects Plugin allows you to build custom collections of objects. Prior to 1.4.3, the Grav Flex Objects Admin Next API requireFlexPermission() method in classes/Api/FlexApiController.php returns without denying access when a directory blueprint omits config.admin.permissions. An authenticated account with only api.access can use the index, show, create, update, delete, export, and media handlers for a permission-less directory even though the core admin.flex-object. authorization fallback would deny the same actions. This issue is fixed in version 1.4.3.
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Getgrav Grav-plugin-flex-objects — versions < 1.4.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-62670?
- CVE-2026-62670 is a medium-severity vulnerability in Getgrav Grav-Plugin-Flex-Objects, classified under Missing Authorization. CVSS score: 6.3/10. Published 2026-08-19.
- How severe is CVE-2026-62670?
- Medium severity. CVSS v3 base score is 6.3 out of 10.