Code Injection in Grav CMS - CVE-2026-64850
Published: July 8, 2026 / Updated: August 21, 2026
Vulnerability identifier: #VU137079
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-64850
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to unrestricted callable in Blueprint::dynamicData(). A remote administrator can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Grav CMS
How to mitigate CVE-2026-64850
Install updates from vendor's website.
Grav CMS - update to 2.0.7