GitHub Advisoryadvisory · Packagist

GHSA-3v8v-4wg6-r7qh TYPO3 CMS: Destructive Actions on File Mount Folders

HIGH Published 2026-06-12 Modified 2026-06-12 Official page ↗
Aliases
CVE-2026-47343
Ecosystem
Packagist
Packages
typo3/cms-core
Severity
High
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
Weaknesses
CWE-862
Reviewed
2026-06-12

Affected packages

• Packagist typo3/cms-core: < 10.4.57 → fixed in 10.4.57 • Packagist typo3/cms-core: >= 11.0.0, < 11.5.51 → fixed in 11.5.51 • Packagist typo3/cms-core: >= 12.0.0, < 12.4.46 → fixed in 12.4.46 • Packagist typo3/cms-core: >= 13.0.0, < 13.4.31 → fixed in 13.4.31 • Packagist typo3/cms-core: >= 14.0.0, < 14.3.3 → fixed in 14.3.3

Description

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

Related

Alias · CVE (1)

  • CVE-2026-47343 Non-privileged backend users with file mount access were able to perform write operations (move, delete, rename) on folders representing… vulnerability

Weakness · CWE (1)

  • CWE-862 Missing Authorization weakness

References