{"id":"CVE-2026-86732","state":"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.","publishedAt":"2026-09-08T15:14:02.315Z","updatedAt":"2026-09-10T13:54:12.753Z","severity":{"score":8.7,"label":"High","version":"4.0","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","source":"VulnCheck"},"assigner":"VulnCheck","products":["craftcms cms"],"affected":[{"vendor":"craftcms","product":"cms","defaultStatus":"unaffected","versions":[{"version":"5.0.0-RC1","status":"affected","lessThan":"5.10.12","versionType":"semver"},{"version":"5.10.12","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/craftcms/cms/security/advisories/GHSA-9wcj-wqqh-cqvg","https://www.vulncheck.com/advisories/craft-cms-before-5.10.12-remote-code-execution-via-element-index"],"weaknesses":["CWE-94"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/86xxx/CVE-2026-86732.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86732","state":"PUBLISHED","datePublished":"2026-09-08T15:14:02.315Z","dateUpdated":"2026-09-10T13:54:12.753Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-08T11:31:09.013Z"},"containers":{"cna":{"title":"Craft CMS before 5.10.12 Remote Code Execution via element-index","descriptions":[{"lang":"en","value":"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. 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