{"id":"CVE-2026-112770","title":"Craft CMS before 4.18.8 and 5.11.0 Authenticated RCE via Twig group Filter Array-Callable","summary":"Craft CMS 4.x before 4.18.8 and 5.x before 5.11.0 contains a remote code execution vulnerability in the Twig group filter, which invokes non-string arrow arguments as callables without the checkArrow guard used by other arrow-accepting f…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-94"],"vendor":"craftcms","product":"cms","affected":["cms >= 4.0.0 < 4.18.8","cms >= 5.0.0 < 5.11.0"],"published":"2026-10-19","updated":"2026-10-19","sourceUpdated":"2026-10-19T19:10:49.743Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112770","references":[{"url":"https://github.com/craftcms/cms/security/advisories/GHSA-xmwr-88vw-5ghh","label":"GitHub Security Advisory (GHSA-xmwr-88vw-5ghh)"},{"url":"https://www.vulncheck.com/advisories/craft-cms-before-4.18.8-and-5.11.0-authenticated-rce-via-twig-group-filter-array-callable","label":"VulnCheck Advisory: Craft CMS before 4.18.8 and 5.11.0 Authenticated RCE via Twig group Filter Array-Callable"}],"tags":["cve.org"],"ingestedAt":"2026-10-19T19:38:06.464Z","slug":"CVE-2026-112770","body":"## Overview\n\nCraft CMS 4.x before 4.18.8 and 5.x before 5.11.0 contains a remote code execution vulnerability in the Twig group filter, which invokes non-string arrow arguments as callables without the checkArrow guard used by other arrow-accepting filters. Authenticated control panel users can pass an array-callable such as FileHelper::writeToFile via element-select condition rules to write a webshell to the webroot and execute code as the web user.\n\n## Affected\n\n- `cms >= 4.0.0 < 4.18.8`\n- `cms >= 5.0.0 < 5.11.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}