Analysis of the GitHub “php2shell” Repository: Public PoCs and Defense Tools That Spread Immediately After the Disclosure of the PHP Vulnerability
Overview Immediately after the PHP vulnerabilities CVE-2026-109618 and CVE-2026-109619 were disclosed on October 21, 2026, a large number of repositories named “php2shell” were created in a short period of time on GitHub, a code repository platform. Of the top 100 repositories (excluding forks) found by searching for “php2shell,” 99 addressed
Reproducing the PHP2Shell Vulnerability and Detection Using AhnLab EDR/XDR
On October 22, 2026, the PHP Security Team announced in an advisory that it would release security updates addressing the vulnerabilities CVE-2026-109618 and CVE-2026-109619. Although the causes of the two vulnerabilities differ, they are both remote code execution vulnerabilities that allow an unauthenticated threat actor to execute arbitrary code remotely.
![[Urgent Notice] CVE-2026-109618 / CVE-2026-109619 (CVSS 9.2) PHP2Shell – Critical PHP RCE Vulnerability](https://asec.ahnlab.com/wp-content/uploads/2025/08/securityadviosory.webp)
[Urgent Notice] CVE-2026-109618 / CVE-2026-109619 (CVSS 9.2) PHP2Shell – Critical PHP RCE Vulnerability
Overview Two remote code execution (RCE) vulnerabilities (vulnerabilities that allow a threat actor to execute arbitrary code remotely) have been identified in PHP. These vulnerabilities are identified as CVE-2026-109618 and CVE-2026-109619, and have each been reported with a CVSS score of 9.2 And a severity rating of “Critical.” Impact It
