Claude Code's source code appears to have leaked: here's what we know

The leak provides competitors—from established giants to nimble rivals like Cursor—a literal blueprint for how to build a high-agency, reliable, and commercially viable AI agent.

Entire Claude Code CLI source code leaks thanks to exposed map file

The entire source code for Anthropic’s Claude Code command line interface application (not the models themselves) has been leaked and disseminated, apparently due to a serious internal error. The leak ...
InfoWorld

Anthropic employee error exposes Claude Code source

A version of the AI coding tool in Anthropic's npm registry included a source map file, which leads to the full proprietary source code. An Anthropic employee accidentally exposed the entire ...
Bleeping Computer

Claude Code source code accidentally leaked in NPM package

Anthropic says it accidentally leaked the source code for Claude Code, which is closed source, but the company says no customer data or credentials were exposed. While Anthropic pledges support to the ...
Futurism

The Fact That Anthropic Has Been Boasting About How Much Its Development Now Relies on Claude Makes It Very Interesting That It Just Suffered a Catastrophic Leak of Its Source Code

Add Futurism (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Earlier ...

Trigona ransomware attacks use custom exfiltration tool to steal data

Recently observed Trigona ransomware attacks are using a custom, command-line tool to steal data from compromised ...
Gizmodo

Source Code for Anthropic’s Claude Code Leaks at the Exact Wrong Time

Anthropic just cannot keep a lid on its business. After details of a yet-to-be-announced model were revealed due to the company leaving unpublished drafts of documents and blog posts in a publicly ...

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

Yesterday’s surprise leak of the source code for Anthropic’s Claude Code revealed a lot about the vibe-coding scaffolding the company has built around its proprietary Claude model. But observers ...
Futurism

Leaked Claude Code Shows Anthropic Building Mysterious “Tamagotchi” Feature Into It

Add Futurism (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. After ...
TweakTown

Anthropic confirms it leaked the source for Claude Code, blames human error

TL;DR: Anthropic accidentally exposed over 500,000 lines of source code for Claude Code, its AI assistant integration tool, due to a release error. No customer data ...
Security Boulevard

Tropic Trooper Pivots to AdaptixC2 and Custom Beacon Listener

IntroductionOn March 12, 2026, Zscaler ThreatLabz discovered a malicious ZIP archive containing military-themed document lures targeting Chinese-speaking individuals. Our analysis of this sample ...