CRITICALVulnerability
Global

Two critical RCEs in PHP core

·Source: Cisco Talos

Updated:

Executive Summary

Cisco Talos is tracking the disclosure of two unauthenticated remote code execution (RCE) flaws in PHP core, dubbed “php2shell”, triggered by a plain HTTP request and exploitable before any application code runs, affecting every PHP build since 5.4. Based on the entities involved in the disclosure, artificial

Analysis

Cisco Talos is tracking the disclosure of two unauthenticated remote code execution (RCE) flaws in PHP core, dubbed “php2shell”, triggered by a plain HTTP request and exploitable before any application code runs, affecting every PHP build since 5.4. Based on the entities involved in the disclosure, artificial
Source Attribution

Originally published by Cisco Talos on Oct 21, 2026.

Related Threats