Auth bypass in Getgrav Grav-Plugin-Form
CVE-2026-86194
Grav Form Plugin before 9.1.22 fails to verify page authorization when resolving forms by name across pages, allowing anonymous visitors to execute form actions defined on login-restricted or unpublished pages. Attackers can POST to any public page with a restricted form's name to trigger save, upload, email, or call actions without authentication.
Vulnerability class: Broken Access Control
Published · last modified .
EPSS exploit prediction
EPSS: 0.006 (46.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/getgrav/grav/security/advisories/GHSA-33m4-m988-5fvh (vendor-advisory)
- www.vulncheck.com/advisories/grav-form-plugin-before-9.1.22-cross-page-form-exe… (third-party-advisory)