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The Butlerian Jihad: Compromised Bitwarden CLI Deploys npm Worm, Poisons AI Assistants, and Dumps GitHub Secrets

ID: 25c8ad0e-b31b-5831-bf3b-8eb915e14e51

STIX ID: report--25c8ad0e-b31b-5831-bf3b-8eb915e14e51

Feed Name: Security Boulevard

Threat Score
88/100

Date Published: 2026-04-23

Date Updated: 2026-04-23

Author: Tom Abai

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**Executive summary:** A malicious supply-chain package impersonating @bitwarden/cli (v2026.4.0) was published to npm and delivered a sophisticated multi-component attack: credential harvesting (cloud keys, SSH, git, AI tool configs), an npm self-propagating worm that republished downstream packages, injection of a GitHub Actions workflow to dump CI/CD secrets, a runner memory dumper, and a novel AI assistant poisoning technique that appends an invisible manifesto to shell config files so AI tools ingest malicious context; the report provides technical analysis, indicators of compromise, and mitigation steps.

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