CVE-2026-47350: TYPO3 CMS - Broken Access Control in DataHandler

Published Jun 9, 2026
·
Updated

Problem 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 TYPO3 CMS thanks Hyunseo Shin for reporting this issue, and TYPO3 security team member Torben Hansen for fixing it.

Resources TYPO3-CORE-SA-2026-012

Other sources

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.

— MITRE

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 13.0.0-13.4.31 and 14.0.0-14.3.3.

— NVD

Affected Software

3 affected componentsFixes available
Typo3 TYPO3 CMS>=13.0.0<=13.4.31, >=14.0.0<=14.3.3
composer/typo3/cms-core>=14.0.0<14.3.3
14.3.3
composer/typo3/cms-core>=13.0.0<13.4.31
13.4.31

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade composer/typo3/cms-core to a version that resolves this vulnerability.

    Fixed in 14.3.3
  2. Upgrade

    Upgrade composer/typo3/cms-core to a version that resolves this vulnerability.

    Fixed in 13.4.31
  3. Upgrade

    Upgrade TYPO3 CMS to a version that resolves this vulnerability.

    Fixed in 13.4.31 LTS
  4. Upgrade

    Upgrade TYPO3 CMS to a version that resolves this vulnerability.

    Fixed in 14.3.3 LTS
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch TYPO3-CORE-SA-2026-012

Event History

Jun 9, 2026
CVE Published
via MITRE·10:52 AM
Data Sourced
via MITRE·10:52 AM
DescriptionWeakness
Data Sourced
via NVD·11:16 AM
DescriptionSeverityWeakness
Jun 12, 2026
Advisory Published
via GitHub·07:32 PM
Data Sourced
via GitHub·07:32 PM
DescriptionWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-47350?

The severity of CVE-2026-47350 is medium with a CVSS score of 5.3.

2

How do I fix CVE-2026-47350?

To fix CVE-2026-47350, update TYPO3 CMS to version 13.4.32 or later, or 14.3.4 or later.

3

What systems are affected by CVE-2026-47350?

CVE-2026-47350 affects TYPO3 CMS versions 13.0.0 to 13.4.31 and 14.0.0 to 14.3.3.

4

What type of vulnerability is CVE-2026-47350?

CVE-2026-47350 is classified as a Broken Access Control vulnerability in DataHandler.

5

What can attackers do with CVE-2026-47350?

Attackers can exploit CVE-2026-47350 to move records to a different page without having the necessary edit permissions.

Company

Resources

Contact

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