CVE-2026-19418

creationtimestamp| type| source ---|---|--- 2026-08-18 12:15:31+00:00| seen| https://bsky.app/profile/o2cloud.bsky.social/post/3mte6z4psi72h...

CVE-2026-19418

TYPO3 CMS contains a Broken Access Control in Backend and Install Tool for versions 13.0.0-13.4.33 and 14.0.0-14.3.5. Root cause: referrer enforcement from TYPO3 core SA-2020-006 became ineffective in v13.0+ because the backend/install tooling are served from the site’s main entry script rather t...

CVE-2026-19418 TYPO3 CMS - Broken Access Control in Backend and Install Tool

The referrer enforcement introduced with TYPO3-CORE-SA-2020-006 CVE-2020-11069 became ineffective in TYPO3 v13.0, where TYPO3 CMS started serving the backend and Install Tool applications from the site's main entry script instead of the dedicated typo3/ directory. Whether a request originated fro...