🚨 CVE-2026-77132
It has been discovered that several AJAX routes used for the backend localization wizard failed to perform authorization checks. This allowed authenticated, low-privileged backend users to access information about records and content elements that fall outside of their permitted range. Exploiting this vulnerability requires a low-privileged backend user account. This issue affects TYPO3 CMS versions 10.0.0-10.4.59, 11.0.0-11.5.53, 12.0.0-12.4.48, 13.0.0-13.4.34 and 14.0.0-14.3.6.
🎖@cveNotify
GitHub
[SECURITY] Check page access in the localization endpoints · TYPO3/typo3@1c63ce8
None of the three localization AJAX endpoints verified that the backend
user may access the page the records live on. getUsedLanguagesInPage()
and getRecordLocalizeSummary() therefore answered for ...
September 8, 2026 38
