{"id":"CVE-2026-86732","aliases":["EUVD-2026-72868","GHSA-9wcj-wqqh-cqvg","GHSA-j222-3wjr-f2f7"],"status":"published","title":"Craft CMS before 5.10.12 Remote Code Execution via element-index","description":"Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element-index endpoint that allows authenticated content editors to instantiate arbitrary classes through the criteria parameter. Attackers can inject a malicious class via criteria[withTransforms][0][class] that reaches ImageTransforms::normalizeTransform(), then use a PHP gadget chain with yii\\rbac\\PhpManager to execute code by pointing itemFile to a request log containing PHP payload in the User-Agent header.","severity":{"version":"4.0","score":8.7,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0085,"percentile":0.58609,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2026-09-08T15:14:02Z","modified":"2026-10-28T02:30:37Z","products":[{"vendor":"craftcms","product":"cms"},{"vendor":"statamic","product":"cms"}],"references":[{"url":"https://github.com/craftcms/cms/security/advisories/GHSA-9wcj-wqqh-cqvg","tags":["vendor-advisory","advisory"]},{"url":"https://www.vulncheck.com/advisories/craft-cms-before-5.10.12-remote-code-execution-via-element-index","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86732","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-j222-3wjr-f2f7"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86732.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-86732","title":"Craft CMS before 5.10.12 Remote Code Execution via element-index","description":"Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element-index endpoint that allows authenticated content editors to instantiate arbitrary classes through the criteria parameter. Attackers can inject a malicious class via criteria[withTransforms][0][class] that reaches ImageTransforms::normalizeTransform(), then use a PHP gadget chain with yii\\rbac\\PhpManager to execute code by pointing itemFile to a request log containing PHP payload in the User-Agent header.","status":"published","published":"2026-09-08T15:14:02.315Z","modified":"2026-09-10T13:54:12.753Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T13:49:42.666099Z"}],"euvd":[{"id":"EUVD-2026-72868","description":"Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element-index endpoint that allows authenticated content editors to instantiate arbitrary classes through the criteria parameter. Attackers can inject a malicious class via criteria[withTransforms][0][class] that reaches ImageTransforms::normalizeTransform(), then use a PHP gadget chain with yii\\rbac\\PhpManager to execute code by pointing itemFile to a request log containing PHP payload in the User-Agent header.","status":"published","published":"2026-09-08T15:14:02Z","modified":"2026-09-10T13:54:12Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"updated_at":"2026-11-02T17:28:25.275283Z"}],"ghsa":[{"id":"GHSA-j222-3wjr-f2f7","title":"Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element...","description":"Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element-index endpoint that allows authenticated content editors to instantiate arbitrary classes through the criteria parameter. Attackers can inject a malicious class via criteria[withTransforms][0][class] that reaches ImageTransforms::normalizeTransform(), then use a PHP gadget chain with yii\\rbac\\PhpManager to execute code by pointing itemFile to a request log containing PHP payload in the User-Agent header.","status":"published","published":"2026-09-08T18:31:54Z","modified":"2026-09-08T18:31:59Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:11:29.303164Z"}],"nvd":[{"id":"CVE-2026-86732","description":"Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element-index endpoint that allows authenticated content editors to instantiate arbitrary classes through the criteria parameter. Attackers can inject a malicious class via criteria[withTransforms][0][class] that reaches ImageTransforms::normalizeTransform(), then use a PHP gadget chain with yii\\rbac\\PhpManager to execute code by pointing itemFile to a request log containing PHP payload in the User-Agent header.","status":"published","published":"2026-09-08T16:18:35.333Z","modified":"2026-09-10T14:17:09.963Z","cvss":[{"version":"4.0","score":8.7,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:12:44.436435Z"}],"osv":[{"id":"CVE-2026-86732","title":"Craft CMS before 5.10.12 Remote Code Execution via element-index","description":"Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element-index endpoint that allows authenticated content editors to instantiate arbitrary classes through the criteria parameter. Attackers can inject a malicious class via criteria[withTransforms][0][class] that reaches ImageTransforms::normalizeTransform(), then use a PHP gadget chain with yii\\rbac\\PhpManager to execute code by pointing itemFile to a request log containing PHP payload in the User-Agent header.","status":"published","published":"2026-09-08T15:14:02.315Z","modified":"2026-10-28T02:30:37.975875318Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:45:19.210277Z"}]}}