npm · Malicious package advisory
Malwareclaude-code-base-action
MAL-2026-3811
Malicious code in claude-code-base-action (npm)
Details
--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (3000eab5b77e9247ae3dc1125384eaeb03ecdae7ecd17fe30ee6216a6a87c686) The package claude-code-base-action was found to contain malicious code. ## Source: ossf-package-analysis (f08c76c834d5f7c2ce735d4dd85684ec34f3dcc29e1353dc7633fb72ee79aaaf) The OpenSSF Package Analysis project identified 'claude-code-base-action' @ 2.0.0 (npm) as malicious. It is considered malicious because: - The package communicates with a domain associated with malicious activity.
Compromised versions (2)
- 2.0.0
- 2.2.2
Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.