# AI Finds Critical PHP Vulnerability

> AI discovered a critical PHP vulnerability affecting millions of websites.
- Title: AI Finds Critical PHP Vulnerability · Mother Jones | Shortify
- Summary: AI discovered a critical PHP vulnerability affecting millions of websites. AI tools found a critical PHP security flaw that could compromise millions of…
- Keywords: php, openai, anthropic, google, cybersecurity, vulnerability, php bug, Finds, Critical, Mother Jones
- Source: Mother Jones — https://motherjones.com/politics/2026/10/ai-cybersecurity-hack-php-openai-anthropic-google
- Author: Satchel Walton
- Published: 2026-10-21T16:54:23+00:00
- Read time: 1 min
- Topics: php, openai, anthropic, google, cybersecurity, vulnerability, php bug
## Critical PHP Vulnerability
A critical cybersecurity vulnerability affects PHP, a widely used open-source programming language powering sites like WordPress.
## Vulnerability Impact
Left unpatched, the flaw could let attackers take control of websites to add malware or steal user data.
## Discovery Timeline
Researchers using AI models discovered the vulnerability in August after it had been forgotten for decades.
## OpenAI's Response
OpenAI called the issue 'one of the most impactful security issues in recent memory' and said it's part of a broader trend.

> one of the most impactful security issues in recent memory
## Global Response
Cybersecurity teams worldwide scrambled to patch the vulnerability, with some government websites in Europe and Canada going offline.
## AI Security Concerns
AI models could help hackers exploit vulnerabilities faster, raising fears about open-weight models being used for advanced cyberattacks.
## What Happens Next
Governments may need to take expanded roles in monitoring and fixing internet infrastructure vulnerabilities.
## Key takeaway

AI tools found a critical PHP security flaw that could compromise millions of websites.