{"id":"CVE-2026-72819","title":"Grav CMS before 2.0.13 contains a remote code execution vulnerability in the Flex Objects plugin settings validation that allows authenticated users to execute arbitrary code by uploading a ZIP file containing PHP code","summary":"Grav CMS before 2.0.13 contains a remote code execution vulnerability in the Flex Objects plugin settings validation that allows authenticated users to execute arbitrary code by uploading a ZIP file containing PHP code. Attackers can byp…","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","cwe":["CWE-94"],"published":"2026-08-14","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:32:39.347","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-72819","references":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-r94f-hx44-8jqf","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/grav-cms-before-remote-code-execution-via-zip-upload","label":"disclosure@vulncheck.com"},{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-r94f-hx44-8jqf","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72819"},{"url":"https://github.com/advisories/GHSA-r94f-hx44-8jqf"}],"tags":["nvd","ghsa","composer"],"epss":0.00902,"epssPercentile":0.58066,"ingestedAt":"2026-09-08T21:11:12.278Z","aliases":["GHSA-r94f-hx44-8jqf"],"ecosystem":"composer","vendor":"getgrav","product":"getgrav/grav","affected":["getgrav/grav < 2.0.13"],"patched":["getgrav/grav 2.0.13"],"slug":"CVE-2026-72819","body":"## Overview\n\nGrav CMS before 2.0.13 contains a remote code execution vulnerability in the Flex Objects plugin settings validation that allows authenticated users to execute arbitrary code by uploading a ZIP file containing PHP code. Attackers can bypass routine name validation by using array notation instead of string notation, call the unZip routine with a malicious archive, and write PHP files to the web root for execution.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-72819)\n\nAffected packages:\n\n- `getgrav/grav < 2.0.13`\n\nPatched in:\n\n- `getgrav/grav 2.0.13`\n\nSource: https://github.com/advisories/GHSA-r94f-hx44-8jqf","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}