PHP2Shell: PHP patches critical RCE flaws CVE-2026-109618 and CVE-2026-109619 after embargo leak; early attacks seen
The PHP security team released emergency fixes on October 21, 2026 (around 14:00 UTC) for two critical unauthenticated remote code execution flaws, CVE-2026-109618 and CVE-2026-109619, nicknamed php2shell (bleepingcomputer.com, wired.com). Both are rated CVSS v4.0 9.2. Details leaked on October 20 through a deleted Hacker News post, which…