LWA-2026-5157 confirmed malware

codyx-ai-linux-x64-baseline@1.14.42

Malicious code in codyx-ai-linux-x64-baseline (npm)

T1195.002 · Compromise Software Supply Chain

Analysis

Package ships a 148MB precompiled binary at package/bin/codyx as its sole payload. No JavaScript source code, no lifecycle hooks, and no executable entry points are included — the package cannot execute on its own during install. The binary is a Bun-compiled CLI application containing embedded API key configuration logic for AI providers (OpenAI, Anthropic, Cloudflare, Vercel, AWS) and references to opencode[.]ai as a service endpoint. The binary cannot be source-audited and may contain hidden runtime behaviour that is not visible from static string analysis. No network IOCs or exfiltration endpoints were identifiable from static analysis alone.

analyzed by
Leitwacht
first seen
Jun 13, 2026, 11:41 PM
analyzed
Jun 13, 2026, 11:43 PM
weekly installs
530

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Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.