TYPO3-CORE-SA-2026-012: Broken Access Control in DataHandler

• Component Type: TYPO3 CMS
• Subcomponent: DataHandler (ext:core)
• Release Date: June 9, 2026
• Vulnerability Type: Broken Access Control
• Affected Versions: 13.0.0-13.4.30, 14.0.0-14.3.2
• Severity: Medium
• Suggested CVSS: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
• References: CVE-2026-47350, CWE-862

Problem Description

Backend users were able to move records to a different page without having edit permissions on the source page.

Solution

Update to TYPO3 versions 13.4.31 LTS, 14.3.3 LTS that fix the problem described.

Credits

Thanks to Hyunseo Shin for reporting this issue, and to TYPO3 security team member Torben Hansen for fixing it.

General Advice

Follow the recommendations that are given in the TYPO3 Security Guide. Please subscribe to the typo3-announce mailing list.

General Note

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