Two critical PHP vulnerabilities could lead to unauthenticated remote code execution. Patches are available for supported PHP 8.x branches, and exploitation attempts began before public disclosure. Change log Update October 28: Clarified Amazon Threat Intelligence's wording to say php2shell is seeing broad exploitation attempts in the wild. Added Dream Research's report of a campaign that chained php2shell with the Fragnesia Linux kernel flaw (CVE-2026-46300) to gain root access on firewalls. Click here to review the change log history Update October 28: Clarified Amazon Threat Intelligence's wording to say php2shell is seeing broad exploitation attempts in the wild. Added Dream Research's r