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Vulnerability · Published Jun 9, 2026 · Assigned by TYPO3

CVE-2026-47351TYPO3 CMS - Broken Access Control in Clipboard

Medium 5.3

In plain English

A medium-severity missing authorization in TYPO3 CMS from TYPO3. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)5.3Medium
Exploit odds (30 days)0.2%top 85.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Backend users were able to insert arbitrary records and files into the TYPO3 clipboard without proper read permission checks, which allowed users to gather information about records and files they were not authorized to view. This issue affects TYPO3 CMS versions 10.4.0-13.4.30 and 14.0.0-14.3.2.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagisttypo3/cms-backend14.3.3GHSA-q93m-25xv-94hh
Packagisttypo3/cms-backend10.4.57GHSA-q93m-25xv-94hh
Packagisttypo3/cms-backend11.5.51GHSA-q93m-25xv-94hh
Packagisttypo3/cms-backend12.4.46GHSA-q93m-25xv-94hh
Packagisttypo3/cms-backend13.4.31GHSA-q93m-25xv-94hh
Packagisttypo3/cms-core10.4.57GHSA-q93m-25xv-94hh
Packagisttypo3/cms-core11.5.51GHSA-q93m-25xv-94hh
Packagisttypo3/cms-core12.4.46GHSA-q93m-25xv-94hh
Packagisttypo3/cms-core13.4.31GHSA-q93m-25xv-94hh
Packagisttypo3/cms-core14.3.3GHSA-q93m-25xv-94hh

Affected products (as reported)

VendorProductVersions
TYPO3 TYPO3 CMS 10.4.0 – before 13.4.3114.0.0 – before 14.3.3

Weakness: CWE-862, CWE-200 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

References