CVE-2026-109305

Craft CMS 5.10.2 before 5.10.14 Twig Sandbox Bypass RCE via has some/has every

State: Published
Severity: 8.7 High
Published: Oct 12, 2026
Updated: Oct 13, 2026
Reserved: Oct 12, 2026

Description

Craft CMS from 5.10.2 before 5.10.14 contains a Twig sandbox bypass that allows non-admin users to invoke PHP callables through the "has some" and "has every" operators. Users with the System Messages permission can supply two-argument callables such as passthru or system in sandboxed templates to execute code as the web user.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine

Affected Products

Product	Versions
cmscraftcms	5.10.2 to before 5.10.14Affected 5.10.14Not affected

References

GitHub Security Advisory (GHSA-vfcw-xv8p-8rj2)vendor-advisory
VulnCheck Advisory: Craft CMS 5.10.2 before 5.10.14 Twig Sandbox Bypass RCE via has some/has everythird-party-advisory

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