{"id":"CVE-2026-47346","aliases":["EUVD-2026-35393","GHSA-hwvq-2w67-rvxp"],"status":"published","title":"TYPO3 CMS - Broken Access Control in Form Framework","description":"Backend users with file write permissions were able to upload form definition files with mixed-case extensions (e.g., .FORM.YAML) to bypass the Form Framework's upload restriction. Maliciously crafted form definition files can be used to execute arbitrary SQL statements, allowing attackers to escalate privileges by creating administrative backend user accounts. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.","severity":{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00253,"percentile":0.16854,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-178","CWE-862"],"published":"2026-06-09T10:50:21Z","modified":"2026-10-28T02:30:33Z","fixes":[{"ecosystem":"Packagist","package":"typo3/cms-core","fixed_in":["10.4.57","11.5.51","12.4.46","13.4.31","14.3.3"],"sources":["ghsa","osv"]},{"ecosystem":"Packagist","package":"typo3/cms-form","fixed_in":["10.4.57","11.5.51","12.4.46","13.4.31","14.3.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.4.57"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"11.5.51"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0.0"},{"fixed":"12.4.46"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.4.31"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0.0"},{"fixed":"14.3.3"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-form","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.4.57"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-form","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"11.5.51"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-form","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0.0"},{"fixed":"12.4.46"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-form","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.4.31"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms-form","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0.0"},{"fixed":"14.3.3"}]}]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.4.57"}]}],"versions":["v10.0.0","v10.1.0","v10.2.0","v10.2.1","v10.2.2","v10.3.0","v10.4.0","v10.4.1","v10.4.10","v10.4.11","v10.4.12","v10.4.13","v10.4.14","v10.4.15","v10.4.16","v10.4.17","v10.4.18","v10.4.19","v10.4.2","v10.4.20","v10.4.21","v10.4.22","v10.4.23","v10.4.24","v10.4.25","v10.4.26","v10.4.27","v10.4.28","v10.4.29","v10.4.3","v10.4.30","v10.4.31","v10.4.32","v10.4.33","v10.4.34","v10.4.36","v10.4.37","v10.4.4","v10.4.5","v10.4.6","v10.4.7","v10.4.8","v10.4.9","v8.7.10","v8.7.11","v8.7.12","v8.7.13","v8.7.14","v8.7.15","v8.7.16","v8.7.17","v8.7.18","v8.7.19","v8.7.20","v8.7.21","v8.7.22","v8.7.23","v8.7.24","v8.7.25","v8.7.26","v8.7.27","v8.7.28","v8.7.29","v8.7.30","v8.7.31","v8.7.32","v8.7.7","v8.7.8","v8.7.9","v9.0.0","v9.1.0","v9.2.0","v9.2.1","v9.3.0","v9.3.1","v9.3.2","v9.3.3","v9.4.0","v9.5.0","v9.5.1","v9.5.10","v9.5.11","v9.5.12","v9.5.13","v9.5.14","v9.5.15","v9.5.16","v9.5.17","v9.5.18","v9.5.19","v9.5.2","v9.5.20","v9.5.21","v9.5.22","v9.5.23","v9.5.24","v9.5.25","v9.5.26","v9.5.27","v9.5.28","v9.5.29","v9.5.3","v9.5.30","v9.5.31","v9.5.4","v9.5.5","v9.5.6","v9.5.7","v9.5.8","v9.5.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"11.5.51"}]}],"versions":["v11.0.0","v11.1.0","v11.1.1","v11.2.0","v11.3.0","v11.3.1","v11.3.2","v11.3.3","v11.4.0","v11.5.0","v11.5.1","v11.5.10","v11.5.11","v11.5.12","v11.5.13","v11.5.14","v11.5.15","v11.5.16","v11.5.17","v11.5.18","v11.5.19","v11.5.2","v11.5.20","v11.5.21","v11.5.22","v11.5.23","v11.5.24","v11.5.25","v11.5.26","v11.5.27","v11.5.28","v11.5.29","v11.5.3","v11.5.30","v11.5.31","v11.5.32","v11.5.33","v11.5.34","v11.5.35","v11.5.36","v11.5.37","v11.5.38","v11.5.39","v11.5.4","v11.5.40","v11.5.41","v11.5.5","v11.5.6","v11.5.7","v11.5.8","v11.5.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0.0"},{"fixed":"12.4.46"}]}],"versions":["v12.0.0","v12.1.0","v12.1.1","v12.1.2","v12.1.3","v12.2.0","v12.3.0","v12.4.0","v12.4.1","v12.4.10","v12.4.11","v12.4.12","v12.4.13","v12.4.14","v12.4.15","v12.4.16","v12.4.17","v12.4.18","v12.4.19","v12.4.2","v12.4.20","v12.4.21","v12.4.22","v12.4.23","v12.4.24","v12.4.25","v12.4.26","v12.4.27","v12.4.28","v12.4.29","v12.4.3","v12.4.30","v12.4.31","v12.4.32","v12.4.33","v12.4.34","v12.4.35","v12.4.36","v12.4.37","v12.4.38","v12.4.39","v12.4.4","v12.4.40","v12.4.41","v12.4.42","v12.4.43","v12.4.44","v12.4.45","v12.4.5","v12.4.6","v12.4.7","v12.4.8","v12.4.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.4.31"}]}],"versions":["v13.0.0","v13.0.1","v13.1.0","v13.1.1","v13.2.0","v13.2.1","v13.3.0","v13.3.1","v13.4.0","v13.4.1","v13.4.10","v13.4.11","v13.4.12","v13.4.13","v13.4.14","v13.4.15","v13.4.16","v13.4.17","v13.4.18","v13.4.19","v13.4.2","v13.4.20","v13.4.21","v13.4.22","v13.4.23","v13.4.24","v13.4.25","v13.4.26","v13.4.27","v13.4.28","v13.4.29","v13.4.3","v13.4.30","v13.4.4","v13.4.5","v13.4.6","v13.4.7","v13.4.8","v13.4.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0.0"},{"fixed":"14.3.3"}]}],"versions":["v14.0.0","v14.0.1","v14.0.2","v14.1.0","v14.1.1","v14.2.0","v14.3.0","v14.3.1","v14.3.2"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-form","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.4.57"}]}],"versions":["v10.0.0","v10.1.0","v10.2.0","v10.2.1","v10.2.2","v10.3.0","v10.4.0","v10.4.1","v10.4.10","v10.4.11","v10.4.12","v10.4.13","v10.4.14","v10.4.15","v10.4.16","v10.4.17","v10.4.18","v10.4.19","v10.4.2","v10.4.20","v10.4.21","v10.4.22","v10.4.23","v10.4.24","v10.4.25","v10.4.26","v10.4.27","v10.4.28","v10.4.29","v10.4.3","v10.4.30","v10.4.31","v10.4.32","v10.4.33","v10.4.34","v10.4.36","v10.4.37","v10.4.4","v10.4.5","v10.4.6","v10.4.7","v10.4.8","v10.4.9","v8.7.10","v8.7.11","v8.7.12","v8.7.13","v8.7.14","v8.7.15","v8.7.16","v8.7.17","v8.7.18","v8.7.19","v8.7.20","v8.7.21","v8.7.22","v8.7.23","v8.7.24","v8.7.25","v8.7.26","v8.7.27","v8.7.28","v8.7.29","v8.7.30","v8.7.31","v8.7.32","v8.7.7","v8.7.8","v8.7.9","v9.0.0","v9.1.0","v9.2.0","v9.2.1","v9.3.0","v9.3.1","v9.3.2","v9.3.3","v9.4.0","v9.5.0","v9.5.1","v9.5.10","v9.5.11","v9.5.12","v9.5.13","v9.5.14","v9.5.15","v9.5.16","v9.5.17","v9.5.18","v9.5.19","v9.5.2","v9.5.20","v9.5.21","v9.5.22","v9.5.23","v9.5.24","v9.5.25","v9.5.26","v9.5.27","v9.5.28","v9.5.29","v9.5.3","v9.5.30","v9.5.31","v9.5.4","v9.5.5","v9.5.6","v9.5.7","v9.5.8","v9.5.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-form","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"11.5.51"}]}],"versions":["v11.0.0","v11.1.0","v11.1.1","v11.2.0","v11.3.0","v11.3.1","v11.3.2","v11.3.3","v11.4.0","v11.5.0","v11.5.1","v11.5.10","v11.5.11","v11.5.12","v11.5.13","v11.5.14","v11.5.15","v11.5.16","v11.5.17","v11.5.18","v11.5.19","v11.5.2","v11.5.20","v11.5.21","v11.5.22","v11.5.23","v11.5.24","v11.5.25","v11.5.26","v11.5.27","v11.5.28","v11.5.29","v11.5.3","v11.5.30","v11.5.31","v11.5.32","v11.5.33","v11.5.34","v11.5.35","v11.5.36","v11.5.37","v11.5.38","v11.5.39","v11.5.4","v11.5.40","v11.5.41","v11.5.5","v11.5.6","v11.5.7","v11.5.8","v11.5.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-form","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0.0"},{"fixed":"12.4.46"}]}],"versions":["v12.0.0","v12.1.0","v12.1.1","v12.1.2","v12.1.3","v12.2.0","v12.3.0","v12.4.0","v12.4.1","v12.4.10","v12.4.11","v12.4.12","v12.4.13","v12.4.14","v12.4.15","v12.4.16","v12.4.17","v12.4.18","v12.4.19","v12.4.2","v12.4.20","v12.4.21","v12.4.22","v12.4.23","v12.4.24","v12.4.25","v12.4.26","v12.4.27","v12.4.28","v12.4.29","v12.4.3","v12.4.30","v12.4.31","v12.4.32","v12.4.33","v12.4.34","v12.4.35","v12.4.36","v12.4.37","v12.4.38","v12.4.39","v12.4.4","v12.4.40","v12.4.41","v12.4.42","v12.4.43","v12.4.44","v12.4.45","v12.4.5","v12.4.6","v12.4.7","v12.4.8","v12.4.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-form","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"13.0.0"},{"fixed":"13.4.31"}]}],"versions":["v13.0.0","v13.0.1","v13.1.0","v13.1.1","v13.2.1","v13.3.0","v13.3.1","v13.4.0","v13.4.1","v13.4.10","v13.4.11","v13.4.12","v13.4.13","v13.4.14","v13.4.15","v13.4.16","v13.4.17","v13.4.18","v13.4.19","v13.4.2","v13.4.20","v13.4.21","v13.4.22","v13.4.23","v13.4.24","v13.4.25","v13.4.26","v13.4.27","v13.4.28","v13.4.29","v13.4.3","v13.4.30","v13.4.4","v13.4.5","v13.4.6","v13.4.7","v13.4.8","v13.4.9"]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms-form","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"14.0.0"},{"fixed":"14.3.3"}]}],"versions":["v14.0.0","v14.0.1","v14.0.2","v14.1.0","v14.1.1","v14.2.0","v14.3.0","v14.3.1","v14.3.2"]}],"products":[{"vendor":"typo3","product":"typo3 cms"}],"references":[{"url":"https://typo3.org/security/advisory/typo3-core-sa-2026-008","tags":["vendor-advisory","advisory","web"]},{"url":"https://github.com/TYPO3/typo3/commit/2030617e6f273cee7b756c695f0a48a45a31eb47","tags":["patch","fix","web"]},{"url":"https://github.com/TYPO3/typo3/commit/eb2b2251d90339d3ab55df3d4c0378ae0c780b45","tags":["patch","fix","web"]},{"url":"https://github.com/TYPO3/typo3/security/advisories/GHSA-hwvq-2w67-rvxp","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47346","tags":["advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2026-47346.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-hwvq-2w67-rvxp"},{"url":"https://packagist.org","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47346.json","tags":["advisory"]},{"url":"https://github.com/TYPO3/typo3","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-47346","title":"TYPO3 CMS - Broken Access Control in Form Framework","description":"Backend users with file write permissions were able to upload form definition files with mixed-case extensions (e.g., .FORM.YAML) to bypass the Form Framework's upload restriction. Maliciously crafted form definition files can be used to execute arbitrary SQL statements, allowing attackers to escalate privileges by creating administrative backend user accounts. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.","status":"published","published":"2026-06-09T10:50:21.934Z","modified":"2026-06-11T13:25:34.866Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-178","CWE-862"],"updated_at":"2026-11-02T13:36:29.327819Z"}],"euvd":[{"id":"EUVD-2026-35393","description":"Backend users with file write permissions were able to upload form definition files with mixed-case extensions (e.g., .FORM.YAML) to bypass the Form Framework's upload restriction. Maliciously crafted form definition files can be used to execute arbitrary SQL statements, allowing attackers to escalate privileges by creating administrative backend user accounts. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.","status":"published","published":"2026-06-09T10:50:21Z","modified":"2026-06-11T13:25:34Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:20:44.570445Z"}],"ghsa":[{"id":"GHSA-hwvq-2w67-rvxp","title":"TYPO3 CMS has Broken Access Control in its Form Framework","description":"### Problem\nBackend users with file write permissions were able to upload form definition files with mixed-case extensions (e.g., `.FORM.YAML`) to bypass the Form Framework's upload restriction. Maliciously crafted form definition files can be used to execute arbitrary SQL statements, allowing attackers to escalate privileges by creating administrative backend user accounts.\n\n### Solution\nUpdate to TYPO3 versions 10.4.57 ELTS, 11.5.51 ELTS, 12.4.46 ELTS, 13.4.31 LTS, 14.3.3 LTS that fix the problem described.\n\n### Credits\nTYPO3 CMS thanks Alexander Künzl for reporting this issue, and to TYPO3 core \u0026 security team members Oliver Hader and Benjamin Franzke for fixing it.\n\n### Resources\n* [TYPO3-CORE-SA-2026-008](https://typo3.org/security/advisory/typo3-core-sa-2026-008)","status":"published","published":"2026-06-12T19:32:09Z","modified":"2026-06-12T19:32:10Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-178","CWE-862"],"updated_at":"2026-11-02T14:40:27.329706Z"}],"nvd":[{"id":"CVE-2026-47346","description":"Backend users with file write permissions were able to upload form definition files with mixed-case extensions (e.g., .FORM.YAML) to bypass the Form Framework's upload restriction. Maliciously crafted form definition files can be used to execute arbitrary SQL statements, allowing attackers to escalate privileges by creating administrative backend user accounts. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.","status":"published","published":"2026-06-09T11:16:52.32Z","modified":"2026-07-23T08:10:00.137Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/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"}],"cwes":["CWE-178","CWE-862"],"updated_at":"2026-11-02T14:12:23.109705Z"}],"osv":[{"id":"CVE-2026-47346","title":"TYPO3 CMS - Broken Access Control in Form Framework","description":"Backend users with file write permissions were able to upload form definition files with mixed-case extensions (e.g., .FORM.YAML) to bypass the Form Framework's upload restriction. Maliciously crafted form definition files can be used to execute arbitrary SQL statements, allowing attackers to escalate privileges by creating administrative backend user accounts. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.","status":"published","published":"2026-06-09T10:50:21.934Z","modified":"2026-10-28T02:30:33.790586305Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-178","CWE-862"],"updated_at":"2026-11-02T15:45:06.231145Z"},{"id":"GHSA-hwvq-2w67-rvxp","title":"TYPO3 CMS has Broken Access Control in its Form Framework","description":"### Problem\nBackend users with file write permissions were able to upload form definition files with mixed-case extensions (e.g., `.FORM.YAML`) to bypass the Form Framework's upload restriction. Maliciously crafted form definition files can be used to execute arbitrary SQL statements, allowing attackers to escalate privileges by creating administrative backend user accounts.\n\n### Solution\nUpdate to TYPO3 versions 10.4.57 ELTS, 11.5.51 ELTS, 12.4.46 ELTS, 13.4.31 LTS, 14.3.3 LTS that fix the problem described.\n\n### Credits\nTYPO3 CMS thanks Alexander Künzl for reporting this issue, and to TYPO3 core \u0026 security team members Oliver Hader and Benjamin Franzke for fixing it.\n\n### Resources\n* [TYPO3-CORE-SA-2026-008](https://typo3.org/security/advisory/typo3-core-sa-2026-008)","status":"published","published":"2026-06-12T19:32:09Z","modified":"2026-09-10T03:50:49.888630451Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-178","CWE-862"],"updated_at":"2026-11-02T15:46:49.621585Z"}]}}