Security Advisories
All Advisories
Follow TYPO3 security advisories as soon as they are published by subscribing to the dedicated security RSS feed.
TYPO3-EXT-SA-2026-019: Broken Access Control in extension "Club Directory" (clubdirectory)
It has been discovered that the extension "Club Directory" (clubdirectory) is susceptible to Broken Access Control.
TYPO3-EXT-SA-2026-018: Broken Access Control in extension "Telephone Directory" (telephonedirectory)
It has been discovered that the extension "Telephone Directory" (telephonedirectory) is susceptible to Broken Access Control.
TYPO3-EXT-SA-2026-017: Path Traversal in extension "Mask" (mask)
It has been discovered that the extension "Mask" (mask) is vulnerable to Path Traversal.
TYPO3-EXT-SA-2026-016: Information Disclosure in extension "Modules" (modules)
It has been discovered that the extension "Modules" (modules) is vulnerable to Information Disclosure.
TYPO3-EXT-SA-2026-015: Multiple Vulnerabilities in extension "SYSSY - TYPO3 Monitoring & Security Checks" (syssy)
It has been discovered that the extension "SYSSY - TYPO3 Monitoring & Security Checks" (syssy) is vulnerable to Insufficient Session Expiration and Cleartext Transmission of Sensitive Information.
TYPO3-EXT-SA-2026-014: Remote Code Execution in extension "HTML5 Video Player vs. Powermail" (html5videoplayer_powermail)
It has been discovered that the extension "HTML5 Video Player vs. Powermail" (html5videoplayer_powermail) is vulnerable to Remote Code Execution.
TYPO3-CORE-SA-2026-021: Broken Access Control in Backend and Install Tool
It has been discovered that TYPO3 CMS is susceptible to broken access control.
TYPO3-CORE-SA-2026-020: Unrestricted File Upload in Form Framework
It has been discovered that TYPO3 CMS is susceptible to security misconfiguration.
TYPO3-CORE-SA-2026-019: Broken Access Control in Form Framework
It has been discovered that TYPO3 CMS is susceptible to broken access control.
TYPO3-CORE-SA-2026-018: Insecure Deserialization in Core API
It has been discovered that TYPO3 CMS is susceptible to broken access control.