Supply Chain Attacks
Reconstructing the tj-actions/changed-files compromise
CVE-2025-30066 hit CISA's KEV list within 3 days: 23,000+ repos ran a poisoned GitHub Action that dumped CI secrets straight into public build logs.
Jul 9, 20266 min read
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Bun-compiled JS binaries as PyPI credential stealers
Two lightning releases fetched the Bun runtime at import time to run an 11MB obfuscated JS stealer — PyPI's Python trust model didn't expect a JS binary.
Jul 8, 20266 min read
Supply Chain Attacks
How Malicious Skills Get Distributed Through Agent Registries
CVE-2025-59536 (CVSS 8.7) let a single malicious commit auto-approve MCP servers in Claude Code, no install click required. Registries need the same controls as package managers.
Jul 8, 20266 min read
Supply Chain Attacks
The Moq NuGet incident: how a mocking library harvested developer emails
In August 2023, Moq v4.20.0 quietly ran git config at build time and phoned home 10,356 times before anyone pulled it — via a dependency nobody vetted.
Jul 8, 20266 min read
Supply Chain Attacks
Anatomy of an npm Build-Pipeline Hijack That Shipped a Cross-Platform RAT
One stolen npm token, three malicious releases, four hours online — and 8 million weekly downloads exposed to a cross-platform credential stealer.
Jul 8, 20266 min read
Supply Chain Attacks
How npm's default install behavior leaked macOS text-replacement secrets
npm auto-runs postinstall scripts with zero prompts on every install — a design choice Snyk showed in June 2023 can pull sensitive data out of macOS defaults.
Jul 8, 20266 min read
Supply Chain Attacks
Anatomy of a self-propagating npm worm
In September 2025, one phished maintainer account led to malicious chalk and debug releases hitting over 2B weekly downloads within two hours.
Jul 8, 20267 min read
Supply Chain Attacks
The string-width-cjs npm packages: a supply chain warm-up, not a breach
One of three empty npm packages aliasing real libraries reached 500+ dependents and 7,274 weekly downloads — with no malicious code found at all.
Jul 8, 20265 min read
Supply Chain Attacks
Anatomy of the polyfill.io CDN Compromise
In June 2024, a single acquired domain turned a free CDN trusted by over 100,000 sites into a live malware injection point — with no dependency update required.
Jul 8, 20266 min read
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