Grav: Remote code execution via unrestricted callable in Blueprint::dynamicData()

Date Sep 2, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Composer ยท getgrav/grav
CVE CVE-2026-64850
High-risk advisory CVE-2026-64850

Summary

Grav: Remote code execution via unrestricted callable in Blueprint::dynamicData()

Why it matters

GitHub has published a reviewed security advisory for getgrav/grav. Prioritize it with other application dependency updates, especially because EPSS places it in the 27% percentile.

Operator check

Check whether getgrav/grav is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7. EPSS probability: 0.3%; percentile: 27%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.