CVE-2026-47343High▾ TwilightTYPO3 CMS: Destructive Actions on File Mount Folders
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 7.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via GHSA
0.2%
Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing the root of an active file mount due to missing authorization restrictions.
Update 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.
TYPO3 CMS thanks Arne Uplegger for reporting this issue, and TYPO3 security team member Elias Häußler for fixing it.
typo3/cms-core < 10.4.57typo3/cms-core >= 11.0.0, < 11.5.51typo3/cms-core >= 12.0.0, < 12.4.46typo3/cms-core >= 13.0.0, < 13.4.31typo3/cms-core >= 14.0.0, < 14.3.3Upgrade to a patched release:
typo3/cms-core 10.4.57typo3/cms-core 11.5.51typo3/cms-core 12.4.46typo3/cms-core 13.4.31typo3/cms-core 14.3.3Connected by shared product, vendor, weakness, or advisory.
CVE-2026-47351MediumTYPO3 CMS: Broken Access Control in Media Module
CVE-2026-47352MediumTYPO3 CMS has Broken Access Control in Backend API
CVE-2026-47346HighTYPO3 CMS has Broken Access Control in its Form Framework
CVE-2026-47350MediumTYPO3 CMS has Broken Access Control in its DataHandler
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CVE-2026-47349MediumTYPO3 CMS has Broken Access Control in the Recycler Module