PHP2Shell Exploitation: Two Critical PHP Flaws Explained
Two critical remote code execution vulnerabilities in the PHP engine, CVE-2026-109618 and CVE-2026-109619 (nicknamed “PHP2Shell”), are reportedly being targeted in active exploitation attempts following the leak of technical details ahead of PHP’s October 21, 2026, security release.
Summary from Recorded Future Blog.
Explained
The technology and terms in this story. Learn more
- TechnologyPHPA programming language that powers a large share of websites, including WordPress.
- AttackRemote code execution · RCEA flaw that lets an attacker run their own code on someone else's machine over the network.
- ConceptExploitCode or a technique that turns a software flaw into something an attacker can actually use.
- ConceptCVE · Common Vulnerabilities and ExposuresThe public ID system for vulnerabilities, such as CVE-2026-12345, so everyone means the same bug.
Why it was possible
The weaknesses behind this story's CVEs, from each CVE Record.
Vulnerabilities in this story
Severity and exploitation facts from NVD, FIRST, and CISA.
Related coverage
Other sources covering the same vulnerabilities or event.
