Auth bypass in Getgrav Grav
CVE-2026-56707
Grav Flex Objects plugin versions 1.4.0 through 1.4.7 contain an authorization bypass vulnerability in the flex-objects shortcode that allows users with page-edit access to render any registered Flex collection without permission checks. Attackers can place the shortcode in published pages to expose sensitive directory contents including user account information, bypassing the authorize ACL enforced in the admin panel.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/getgrav/grav/security/advisories/GHSA-x929-528m-vx2m (vendor-advisory)
- www.vulncheck.com/advisories/grav-flex-objects-through-authorization-bypass-via… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-56707?
- CVE-2026-56707 is a high-severity vulnerability in Getgrav Grav, classified under Missing Authorization. CVSS score: 7.7/10. Published 2026-08-25.
- How severe is CVE-2026-56707?
- High severity. CVSS v3 base score is 7.7 out of 10.