Anthropic’s Claude Code Update Leaks Source Code, Reveals Always-on Agent and Memory Optimisation: Report

A file containing part of the source code appears to have been leaked with the recent Claude Code 2.1.88 update.

A 4 a.m. scramble turned Anthropic's leak into a 'workflow revelation'

Sigrid Jin woke up to chaos and shipped "Claw Code" by breakfast. Here's everything it taught the world.
Security Boulevard

Anthropic Claude Code Leak

IntroductionOn March 31, 2026, Anthropic accidentally exposed the full source code of Claude Code (its flagship ...
InfoWorld

Vim and GNU Emacs: Claude Code helpfully found zero-day exploits for both

A simple prompt sent Claude Code on a mission that uncovered major security vulnerabilities in popular text editors — and ...

Here’s what that Claude Code source leak reveals about Anthropic’s plans

Chief among these features is Kairos, a persistent daemon that can operate in the background even when the Claude Code ...

Anthropic accidentally exposed Claude Code source, raising security concerns

The exposure traces back to version 2.1.88 of the @anthropic-ai/claude-code package on npm, which was published with a 59.8MB ...
WinBuzzer

Claude Code Source Leak Exposes Anti-Distillation Traps

Anthropic's Claude Code source has leaked via a packaging error, exposing anti-distillation traps, an undercover mode, and scaffolding for an unreleased agent.