CVE-2026-109305 Craft CMS - Template Injection

Craft CMS > 5.10.2 < 5.10.14 contains a template injection caused by a Twig sandbox bypass allowing non-admin users with System Messages permission to invoke PHP callables, letting them execute code as the web user.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.48% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Template Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-1336

Vendor fix

Upgrade to version 5.10.14 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs