Web Application Security

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All blog articles on the subject of Web Application Security
Valerie Erhard

Published on 21.10.2026 in the category Security Advisories published.

Security Advisory: Critical PHP Vulnerabilities php2shell

php2shell are two critical remote code execution vulnerabilities in PHP affecting versions 5.4 to 8.x. We explain the background and next steps. (read more)

PHP Web Application Security Zero-Day-Exploits Vulnerability Management Remote Code Execution Incident Response