CVE-2026-49741
HighCVSS 8.7Exploitation Probability (EPSS)
Low risk8th percentile - higher than 8% of all known CVEs
Summary
Backend users with write access to the form_definition database table were able to directly create, update, or delete form definition records via DataHandler, bypassing the Form Framework's persistence validation and permission checks. This allowed injecting arbitrary form configurations, re-enabling attack vectors originally addressed in TYPO3-CORE-SA-2018-003.
Risk Assessment
The organization is exposed to attacks such as SQL injection and privilege escalation, which could lead to serious data and system security breaches.
Recommendation
It is recommended to update TYPO3 CMS to version 14.3.4 or later to mitigate this vulnerability and review backend user permissions.
Original NVD description (English source)
Backend users with write access to the form_definition database table were able to directly create, update, or delete form definition records via DataHandler, bypassing the Form Framework's persistence validation and permission checks. This allowed injecting arbitrary form configurations, re-enabling attack vectors originally addressed in TYPO3-CORE-SA-2018-003, including SQL injection and privilege escalation. This issue affects TYPO3 CMS versions 14.0.0-14.3.3.