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Black October: why bugs discovered by OpenAI tech are creating a cyber emergency

Black October: why bugs discovered by OpenAI tech are creating a cyber emergency

Summary

New security flaws were found in PHP, a programming language used by many websites, by AI technology from OpenAI. These flaws could let hackers steal data or control servers, leading to a major cybersecurity alert and temporary website shutdowns worldwide.

Key Facts

  • PHP is a programming language used by about 70% of websites to generate web content behind the scenes.
  • Two serious security bugs in PHP, called "php2shell," were found by OpenAI's AI before hackers could exploit them.
  • These vulnerabilities could allow attackers to take over servers or steal sensitive information like passwords.
  • The bugs had existed for over ten years but had not been discovered until recently, thanks to AI.
  • After the flaws were found, many websites in the U.S., U.K., and other countries went offline to apply security fixes.
  • The U.S. National Security Agency and European cybersecurity agencies issued warnings about the risks.
  • Security patches to fix the vulnerabilities were released on October 21, 2026, and users were urged to update immediately.
  • The ongoing series of cyberattacks, called "Black October," includes other serious security incidents affecting companies, schools, and banks.
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