OverviewOn October 21, 2026, the PHP project announced security releases for two critical vulnerabilities in PHP. CVE-2026-109618 can corrupt memory during out-of-memory (OOM) handling, while CVE-2026-109619 is a use-after-free flaw involving state retained between requests. Both have a CVSSv4 score of 9.2 and both can allow for unauthenticated remote code execution (RCE) with the web worker's privileges.
CVE-2026-109618 and CVE-2026-109619: Critical Unauthenticated Remote Code Execution in PHP
About this summary. This is a short excerpt from the description that Rapid7 published with its article. Cyber Security News did not report or verify the underlying story. Read the original: https://www.rapid7.com/blog/post/etr-cve-2026-109618-and-cve-2026-109619-critical-unauthenticated-remote-code-execution-in-php
Source attribution: headline and facts are from Rapid7 (rapid7.com). Summary method: excerpt of the source description. See our source attribution policy.
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