Home › CVE Intelligence › CVE-2026-47343
CVSS 7.5 HIGH Vulnerability

CVE-2026-47343: TYPO3 CMS: Destructive Actions on File Mount Folders

Problem 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…

7.5CVSS Score
HIGHSeverity
NOCISA KEV
VulnerabilityImpact Type

📋 Vulnerability Details

CVE IDCVE-2026-47343
Vendorcomposer
Affected Producttypo3/cms-core
Vulnerability TypeVulnerability
CVSS Score7.5 (HIGH)
Actively Exploited❌ No known exploitation
Patch StatusSee Vendor Advisory →
Reported ByCYBERDUDEBIVASH SENTINEL APEX Intelligence (via github_advisories)

🔬 Technical Analysis

#

Problem

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.

Solution

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.

Credits

TYPO3 CMS thanks Arne Uplegger for reporting this issue, and TYPO3 security team member Elias Häußler for fixing it.

Resources

• [TYPO3-CORE-SA-2026-007](https://typo3.org/security/advisory/typo3-core-sa-2026-007)

🎯 Known Indicators of Compromise

{"type":"url","value":"https://typo3.org/security/advisory/typo3-core-sa-2026-007)","confidence_score":0.82,"first_seen":"2026-06-12","source_count":1} {"type":"domain","value":"typo3.org","confidence_score":0.75,"first_seen":"2026-06-12","source_count":1}

📚 Advisory References

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