A wire-level analysis of xAI's Grok build CLI revealed it uploads entire repositories including unredacted secrets to Google Cloud Storage by default, even with telemetry disabled.
Security concerns around AI coding tools dominated the weekend, with a reported session leakage bug in Claude Code and Alibaba classifying the tool as high-risk.
Anthropic dominated the day with Claude Sonnet 5 launching at near-Opus performance for half the cost, while the US lifted export controls on Fable 5 and Mythos 5.
Anthropic's Project Glasswing used Claude Mythos to discover over 10,000 critical vulnerabilities in systemically important software within its first month.
OpenAI released GPT-5.5 and DeepSeek dropped V4 on the same day, offering two frontier-class models with radically different pricing and access strategies.
Cerebras filed for its second IPO attempt targeting a May Nasdaq listing at $23 billion, while critical command injection flaws in Claude Code emerged from last month's source leak.