CVE-2026-72819

HIGH

CVE: CVE-2026-72819 - Grav CMS before 2Sign in to save

CVSS

8.8

CVSS v3.1

EPSS

N/A

Exploit Prediction Score

Published

August 14, 2026

Exploitability

No EPSS data available

Description

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.

Weaknesses

CWE-94

Affected Packages

No package data available.

Aliases

CVE-2026-72819

Related references

Publisher and database URLs for this record (shown for attribution; reading stays in Bugflare).

https://github.com/getgrav/grav/security/advisories/GHSA-r94f-hx44-8jqf
https://www.vulncheck.com/advisories/grav-cms-before-remote-code-execution-via-zip-upload