anthropic-internal-tools

MAL-2026-6551

npmdependency-confusion6/28/2026
Description

Malicious code in anthropic-internal-tools (npm)

Indicators of Compromise
SHA256 Hashes (3)
47963d44c126223c729c2c53a19c1c7d79f2f66cc1dca56c98ba4412eed31f5f
63383c78f8dd92a67e70a3599f18778ff6ce73e42cba64abec624522ea1a254b
ab3bb04aee6f5f1d8768b7fd2173cd7c0cac18b5d83d6a83cf2be96a7512d8f7
References (3)
https://www.npmjs.com/package/anthropic-internal-tools/v/1.0.0OSVhttps://www.npmjs.com/package/anthropic-internal-tools/v/1.0.2OSVhttps://www.npmjs.com/package/anthropic-internal-tools/v/1.0.1OSV
Details
Ecosystemnpm
Attack Typedependency-confusion
Published6/28/2026
Quick Actions
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