Security

• Security
• Security / Public Service Announcement

TYPO3-PSA-2026-001: Critical PHP security release: PHP update required for all TYPO3 installations

Two critical security vulnerabilities in PHP require prompt action: all TYPO3 users should update PHP on their installations right away. TYPO3 itself is not affected and does not need to be updated.

• Security
• Security / TYPO3 Extensions

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.

• Developer & Technology
• Security

SECURITY-ISSUES-FOUND-IN-TYPO3-CORE-1: Security issues found in TYPO3 core

• Developer & Technology
• Security

SECURITY-ISSUES-IN-SEVERAL-THIRD-PARTY-TYPO3-EXTENSIONS-INCLUDING-FRONTEND-USER-REGISTRATION-SR-FEUSER-REGISTER: Security issues in several third party TYPO3 extensions including "Frontend User Registration" (sr_feuser_register)

• Developer & Technology
• Security

SECURITY-ISSUES-IN-THIRD-PARTY-TYPO3-EXTENSIONS-2: Security issues in third-party TYPO3 extensions

• Developer & Technology
• Security

SECURITY-ISSUE-FOUND-IN-TYPO3-CORE-2: Security issue found in TYPO3 core

• Developer & Technology
• Security

IMPORTANT-SECURITY-BULLETIN-PRE-ANNOUNCEMENT-2: Important Security-Bulletin Pre-Announcement

• Developer & Technology
• Security

SECURITY-ISSUES-IN-THIRD-PARTY-EXTENSIONS-PHPMYADMIN-PHPMYADMIN-AND-LDAP-EU-LDAP: Security issues in third party extensions "phpMyAdmin" (phpmyadmin) and "LDAP" (eu_ldap)

• Developer & Technology
• Security

SECURITY-CODE-SPRINT-A-RECAP: Security Code Sprint - A recap

• Developer & Technology
• Security

SECURITY-ISSUES-IN-SEVERAL-THIRD-PARTY-TYPO3-EXTENSIONS-INCLUDING-BASIC-SEO-FEATURES-SEO-BASICS-AND-POWERMAIL-POWERMAIL: Security issues in several third party TYPO3 extensions including "Basic SEO Features" (seo_basics) and "powermail" (powermail)