Urgent PHP security fix for 70% of websites

PHP code vulnerability affects 70% of websites; critical fix released after AI discovery.

Oct 21, 2026

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Urgent PHP security fix for 70% of websites

PHP code vulnerability affects 70% of websites; critical fix released after AI discovery.

In brief

PHP code vulnerability affects 70% of websites; critical fix released after AI discovery. PHP developers issued urgent security patches for critical vulnerabilities affecting 70% of websites after AI identified flaws. Originally reported by ABC7 New York.

PHP vulnerability critical fix

Some websites temporarily offline amid PHP security updates

PHP developers released urgent security patches for two critical vulnerabilities affecting 70% of websites.

Vulnerability severity

The flaws rated 9.2 out of 10 could allow attackers to take over internet servers if exploited.

AI discovery process

OpenAI's AI models helped researchers find the PHP vulnerabilities two months before public disclosure.

Government warnings

Government warnings

CISA and FBI urged organizations to immediately patch PHP vulnerabilities before exploitation occurred.

Temporary system shutdowns

Many websites temporarily went offline as users applied critical PHP security updates.

Attack attempts detected

Amazon detected hacking attempts targeting decoy systems four days before PHP vulnerabilities were public.

Exploitation timeline

Exploitation timeline

Attackers began exploiting PHP vulnerabilities within hours after patch release, using PHP2Shell.

System mitigation advice

Organizations should apply critical fixes within hours, not days or weeks, to prevent server takeovers.

The key point

PHP developers issued urgent security patches for critical vulnerabilities affecting 70% of websites after AI identified flaws.

Read the original on ABC7 New York

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