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As security teams and web admins scrambled this week to patch newly public PHP bugs, criminal hackers quickly attempted to exploit the flaws in the wild. Millions of exploitation attempts hit within hours of the vulnerabilities being published, according to analysis from Cloudflare—unsurprising given broad access to AI tools that can make it easier for attackers to quickly exploit flaws.

So far, the nightmare scenario of mass victim takeovers and breaches hasn’t come to pass. The PHP Foundation says it hasn’t seen any successful exploitation of the bugs, collectively dubbed PHP2Shell, and many publicly circulating potential exploits appear to be ineffective. However, perhaps the most interesting role of AI amid the chaos this week is how advanced models helped researchers uncover practical exploitations for the vulnerabilities, which were known about, at least in part, for years. In other words, AI helped turn historic vulnerability into a current crisis.

So are we all about to be walloped by a wave of critical vulnerabilities that have been kicking around for decades?

Researchers at security company Calif were the first to identify the PHP2Shell vulnerabilities and create exploits in early August—partially using frontier AI tools as part of OpenAI’s Patch the Planet program, but also using expert human knowledge of PHP, its dynamics, and its weaknesses.

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