Two Critical PHP Flaws Could Hand Attackers Your Web Servers. Here’s How to Find, Mitigate, and Patch PHP2Shell Now

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Executive Summary PHP2Shell refers to two critical vulnerabilities (CVE-2026-109618 and CVE-2026-109619), each with a CVSS v4.0 score of 9.2, that can allow unauthenticated remote code execution on PHP installations serving web requests. Researchers have also demonstrated unauthenticated disclosure of PHP worker memory, which can expose passwords, authentication tokens, and API keys. …

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  3. v2 imported change on Titled: “PHP2Shell: PHP Patches Two Critical RCE Vulnerabilities, Urges Immediate Updates”
  4. v1 as first published on Titled: “PHP Announces Critical Security Release for Two Vulnerabilities”

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October 21, 2026 04:00
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https://blog.qualys.com/?p=42857

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