Missing Authorization Affecting typo3/cms-core package, versions <13.4.31>=14.0.0, <14.3.3


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.24% (15th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Missing Authorization vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-PHP-TYPO3CMSCORE-17339261
  • published15 Jun 2026
  • disclosed12 Jun 2026
  • creditArne Uplegger

Introduced: 12 Jun 2026

NewCVE-2026-47343  (opens in a new tab)
CWE-862  (opens in a new tab)

How to fix?

Upgrade typo3/cms-core to version 13.4.31, 14.3.3 or higher.

Overview

typo3/cms-core is a free open source enterprise content management system.

Affected versions of this package are vulnerable to Missing Authorization due to missing authorization checks when handling file mount folders. An attacker can perform unauthorized write operations, such as moving, deleting, or renaming folders, by leveraging access as a non-privileged backend user with file mount permissions.

CVSS Base Scores

version 4.0
version 3.1