TYPO3 CMS Auth Bypass in Localization Wizard AJAX Routes (v10-14)
CVE-2026-77132 Published on September 8, 2026
TYPO3 CMS - Information Disclosure via Backend Localization Wizard
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.
Vulnerability Analysis
CVE-2026-77132 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Types
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-77132 has been classified to as an AuthZ vulnerability or weakness.
What is an Information Disclosure Vulnerability?
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CVE-2026-77132 has been classified to as an Information Disclosure vulnerability or weakness.
Products Associated with CVE-2026-77132
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Affected Versions
TYPO3 CMS:- Version 10.0.0 and below 10.4.60 is affected.
- Version 11.0.0 and below 11.5.54 is affected.
- Version 12.0.0 and below 12.4.49 is affected.
- Version 13.0.0 and below 13.4.35 is affected.
- Version 14.0.0 and below 14.3.7 is affected.