HighGHSA-jh32-v29g-68pqCVE-2026-49741

TYPO3 CMS has Privilege Escalation & SQL Injection in its Form Framework

Published 12 Jun 2026 · Updated 10 Sept 2026

Affected packages

typo3/cms-coreComposer
Affected
>=14.0.0 <14.3.3
Fixed in
14.3.3
Update to the fixed version for your release line, for example:composer require typo3/cms-core:^14.3.3
typo3/cms-formComposer
Affected
>=14.0.0 <14.3.3
Fixed in
14.3.3
Update to the fixed version for your release line, for example:composer require typo3/cms-form:^14.3.3

Details

Problem

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.

Solution

Update to TYPO3 version 14.3.3 LTS that fixes the problem described.

Credits

TYPO3 CMS thanks Selçuk Güney for reporting this issue, and to TYPO3 core & security team member Oliver Hader for fixing it.

Resources

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References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.