RCE in Getgrav Grav

CVE-2026-72819

Grav CMS before 2.0.13 contains a remote code execution vulnerability in the Flex Objects plugin settings validation that allows authenticated users to execute arbitrary code by uploading a ZIP file containing PHP code. Attackers can bypass routine name validation by using array notation instead of string notation, call the unZip routine with a malicious archive, and write PHP files to the web root for execution.

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-72819?
CVE-2026-72819 is a high-severity vulnerability in Getgrav Grav, classified under Code Injection. CVSS score: 8.8/10. Published 2026-08-14.
How severe is CVE-2026-72819?
High severity. CVSS v3 base score is 8.8 out of 10.