CVE-2026-47350 TYPO3 CMS - Broken Access Control in DataHandler
Backend users can move records to different pages without edit permissions on the source page, allowing unauthorized data modification.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-47350?
CVE-2026-47350 is a medium-severity missing authorization vulnerability in TYPO3 CMS, published on 9 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Backend users were able to move records to a different page without having edit permissions on the source page. This issue affects TYPO3 CMS versions 13.0.0-13.4.30 and 14.0.0-14.3.2.
Weakness: CWE-862
Which versions are affected by CVE-2026-47350?
4 open source packages ship an affected version, including typo3/cms-core.
| Package | Affected | Fixed in |
|---|---|---|
typo3/cms-core Packagist | From 13.0.0 | 13.4.31 |
typo3/cms-core Packagist | From 13.0.0 | 13.4.31 |
typo3/cms-core Packagist | From 14.0.0 | 14.3.3 |
typo3/cms-core Packagist | From 14.0.0 | 14.3.3 |
How do I fix CVE-2026-47350?
Upgrade typo3/cms-core to a fixed version for your release line: 13.4.31 or 14.3.3.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-47350 being exploited?
There is no known exploitation of CVE-2026-47350 in the wild and no public exploit code.
Sources
Also known as GHSA-qcmw-6rm2-5x78.