TYPO3 CMS 14.3.3 Form Framework SQLi via .form.yaml Bypass
CVE-2026-11607 Published on June 9, 2026
TYPO3 CMS - Broken Access Control in Form Framework
Backend users with access to the Form Framework were able to use files not ending in .form.yaml as form definitions, which were processed without denying the incorrect file extension. 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, 11.0.0-11.5.51, 12.0.0-12.4.46, 13.0.0-13.4.31 and 14.0.0-14.3.3.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-11607 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-11607
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Affected Versions
TYPO3 CMS:- Before 10.4.57 is affected.
- Version 11.0.0 and below 11.5.51 is affected.
- Version 12.0.0 and below 12.4.46 is affected.
- Version 13.0.0 and below 13.4.31 is affected.
- Version 14.0.0 and below 14.3.3 is affected.