php2shell zero-day sparks AI cybersecurity debate as Anthropic uses Claude to harden 25 OSS codebases
connoraxiotes · x · 2026-10-23
Joshua Saxe argues the php2shell zero-day won't cause a visible spike in cyber damages: defenders found it pre-exploitation, initial access isn't the attackers' bottleneck, and defenders are adopting AI automation faster—an advantage he expects to hold through at least H1 2027. Quoted Anthropic research describes Claude autonomously mapping and shrinking the attack surface of 25 major OSS codebases, yielding a significant OpenSSH pre-auth attack surface reduction (fixed in 10.6) and 500+ hardening findings.
Related event: Researchers push back on php2shell panic as AI agents automate fixes(3 posts)→
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