What’s Vulnerable › Vulnerabilities

CVE-2026-112771: Craft CMS before 4.18.8 and 5.11.0 Twig Sandbox Allowlist Bypass via Array Filters

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-19 · updated 2026-10-20
• Weakness: CWE-200

Description

Craft CMS 4.0.0 before 4.18.8 and 5.0.0 before 5.11.0 contains a Twig sandbox allowlist bypass because the column, contains, filterByValue, index, where, and multisort filters resolve caller-supplied keys via ArrayHelper::getValue() without consulting the sandbox security policy. Authenticated Control Panel users can supply dot-path keys to traverse the craft global and disclose the securityKey, database credentials, and auth tokens.

Affected products

• craftcms cms: from 4.0.0 before 4.18.8; from 5.0.0 before 5.11.0 — fixed in 4.18.8, 5.11.0

How to fix

Upgrade to a fixed version: craftcms cms 4.18.8, 5.11.0. Check the vendor advisory for mitigations.

References

• https://github.com/craftcms/cms/security/advisories/GHSA-j697-8x93-7mp2
• https://www.vulncheck.com/advisories/craft-cms-before-4.18.8-and-5.11.0-twig-sandbox-allowlist-bypass-via-array-filters

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