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CVE-2026-109305— Craft CMS 5.10.2 before 5.10.14 Twig Sandbox Bypass RCE via has some/has every

Quick assessment

Affected
craftcms cms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Craft CMS 5.10.2 至 5.10.14 版本之间存在一个 Twig 沙箱绕过漏洞。该漏洞允许非管理员用户通过 “has some” 和 “has every” 操作符调用 PHP 可调用对象。具备“系统消息”权限的用户可以在沙箱模板中提供双参数可调用函数（例如 passthru 或 system），从而以 Web 服务用户的身份执行代码。

CVSS 8.8 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
craftcms cms 5.10.2< 5.10.14 affected
5.10.14 unaffected
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I. Basic Information for CVE-2026-109305

Vulnerability Information
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Vulnerability Title
Craft CMS 5.10.2 before 5.10.14 Twig Sandbox Bypass RCE via has some/has every
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1336
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
craftcms cms 5.10.2 ~ 5.10.14 -

II. Public POCs for CVE-2026-109305

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III. Intelligence Information for CVE-2026-109305

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Vendor Advisories for CVE-2026-109305 (2)

Same Patch Batch · craftcms · 2026-10-12 · 5 CVEs total

CVE-2026-109308 8.8 HIGH Craft CMS 4.0.0 before 4.18.7 and 5.0.0 before 5.10.14 RCE via actionCacheUpdates Behavior
CVE-2026-109306 5.9 MEDIUM Craft CMS 5.0.0 before 5.10.14 Missing Authorization via app/switch-to-licensed-edition
CVE-2026-109304 4.9 MEDIUM Craft CMS 4.0.0 before 4.18.7 and 5.0.0 before 5.10.14 Arbitrary File Read via Twig create
CVE-2026-109307 4.7 MEDIUM Craft CMS 5.0.0 before 5.10.14 DOM XSS via returnUrl in 2FA Verification

IV. Related Vulnerabilities

Same product: cms
Same vendor: craftcms
Same weakness: CWE-1336

V. Comments for CVE-2026-109305

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