Anthropic's Claude Code CLI had its full TypeScript source exposed after a source map file was accidentally included in version 2.1.88 of its npm package. The 512,000-line codebase was archived to GitHub within hours. Anthropic called it a packaging error caused by human error. The leak revealed unreleased features, internal model codenames, and multi-agent orchestration architecture.

A major security incident affecting the widely used open source vulnerability scanner Trivy has exposed critical weaknesses in software supply chain security, after maintainers confirmed that a malicious release was briefly distributed to users.

On March 31, 2026, two versions of the Axios library were compromised and found to contain a Remote Access Trojan. The malicious packages were published through a hijacked maintainer account. The Axios team is investigating how the breach occurred and has deprecated the affected versions. Security experts emphasize the need for better dependency management.