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CYBERSECURITY✓ EDITORIALLY REVIEWED

Widespread PHP Flaw May Cause Many Site Outages Today

Expect to see quite a few websites serving "404" or "Page Not Found" errors today: Nearly 70 percent of websites need to update their core software to fix a pair of vulnerabilities that allow an attacker to seize full control over affected servers. Experts say there are working exploits for the flaws, and that these critical bugs are already being exploited in the wild.

KKrebs on SecurityOriginal reporting source
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Expect to see quite a few websites serving "404" or "Page Not Found" errors today: Nearly 70 percent of websites need to update their core software to fix a pair of vulnerabilities that allow an attacker to seize full control over affected servers. Experts say there are working exploits for the flaws, and that these critical bugs are already being exploited in the wild.

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Read article →CYBERSECURITY · Oct 21, 2026 · 05:57 PM · UTC · UTC+00:00PHP Issues Emergency Patches for Two Critical PHP2Shell RCE Flaws as Exploit Attempts Emerge

PHP has released emergency updates that fix two critical flaws in the language itself, letting an attacker without an account run code on a web server. The fixes are in PHP 8.5.12, 8.4.27, 8.3.36 and 8.2.35, and the PHP team says only updating fully protects a server. The flaws, together called PHP2Shell, sit in the PHP runtime, not in any application, so a site is exposed even when its own

Read article →CYBERSECURITY · Oct 21, 2026 · 05:55 PM · UTC · UTC+00:00CVE-2026-109618 and CVE-2026-109619: Critical Unauthenticated Remote Code Execution in PHP

Overview On 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 CVSSv4 Description CVE-2026-109618 9.2 (Critical) RCE via OOM corruption CVE-2026-1096

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