CVE-2026-85400

Backend administrators without system maintainer privileges were able to schedule any of the configuration:read, configuration:set, and configuration:show commands. This allowed them to modify arbitrary system configuration, which is normally limited to system maintainers. As a consequence, this...

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...

CVE-2026-77132 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...

CVE-2026-77132 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...

CVE-2026-77132

TYPO3 CMS is vulnerable to an information disclosure flaw in the backend localization wizard . Several AJAX routes used by this feature failed to perform authorization checks, allowing authenticated, low-privileged backend users to access information about records and content elements outside the...

EUVD-2026-72676

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...

CVE-2026-85400 TYPO3 CMS - Missing Authorization in lowlevel commands

Backend administrators without system maintainer privileges were able to schedule any of the configuration:read, configuration:set, and configuration:show commands. This allowed them to modify arbitrary system configuration, which is normally limited to system maintainers. As a consequence, this...

CVE-2026-85400

TYPO3 CMS versions 14.2.0 through 14.3.6 are affected by a missing authorization check in its lowlevel configuration commands (configuration:read, configuration:set, configuration:show). Backend administrators without system maintainer privileges could schedule these commands, allowing them to mo...

EUVD-2026-72675

Backend administrators without system maintainer privileges were able to schedule any of the configuration:read, configuration:set, and configuration:show commands. This allowed them to modify arbitrary system configuration, which is normally limited to system maintainers. As a consequence, this...

GHSA-68JX-F42C-7599 TYPO3 CMS - Broken Access Control in Backend and Install Tool

Problem 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 Admin Tool applications from the site's main entry script instead of the dedicated typo3/ directory. Whether a request originat...

EUVD-2026-55971

TYPO3 CMS - Broken Access Control in Backend and Install Tool...

GHSA-MFQJ-CQV3-H7XW TYPO3 CMS - Unrestricted File Upload in Form Framework

Problem Users were able to upload files with arbitrary MIME types to forms using FileUpload or ImageUpload elements with allowedMimeTypes configured - uploading PHP files was not possible. The restriction was not enforced server-side because the MimeTypeValidator was registered during form buildi...

TYPO3 CMS - Unrestricted File Upload in Form Framework

Problem Users were able to upload files with arbitrary MIME types to forms using FileUpload or ImageUpload elements with allowedMimeTypes configured - uploading PHP files was not possible. The restriction was not enforced server-side because the MimeTypeValidator was registered during form buildi...

Origin Validation Error

Overview typo3/cms-install is a TYPO3 extension install. The Install Tool is used for installation, upgrade, system administration and setup tasks. Affected versions of this package are vulnerable to Origin Validation Error via referrer enforcement in the ReferrerEnforcer code used by the backend...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error via referrer enforcement in the ReferrerEnforcer code used by the backend and Install Tool. An attacker can invoke protected backend or Install Tool endpoints with an authenticated victim’s session by sending...

Origin Validation Error

Overview typo3/cms-core is a free open source enterprise content management system. Affected versions of this package are vulnerable to Origin Validation Error via referrer enforcement in the ReferrerEnforcer code used by the backend and Install Tool. An attacker can invoke protected backend or...

CVE-2026-19418

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...

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...

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...