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GHSA-qcmw-6rm2-5x78

GHSA-qcmw-6rm2-5x78 is a CWE-862 vulnerability in typo3/cms-core. O3 Security confirms whether GHSA-qcmw-6rm2-5x78 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

TYPO3 CMS has Broken Access Control in its DataHandler

Also known asCVE-2026-47350
Published
Jun 12, 2026
Updated
Jun 12, 2026
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed

Blast Radius

2 pkgs affected
🐘typo3/cms-core🐘typo3/cms-core

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

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

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagisttypo3/cms-core13.0.0&&< 13.4.3113.4.31
🐘Packagisttypo3/cms-core14.0.0&&< 14.3.314.3.3

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for typo3/cms-core. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update typo3/cms-core to 13.4.31 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-qcmw-6rm2-5x78 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-qcmw-6rm2-5x78 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-qcmw-6rm2-5x78. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### 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](https://typo3.org/security/advisory/typo3-core-sa-2026-012)
O3 Security · Impact-Aware SCA

Is GHSA-qcmw-6rm2-5x78 in your dependencies?

O3 detects GHSA-qcmw-6rm2-5x78 across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.