Bitwarden CLI Compromised in Supply Chain Attack via GitHub Actions
Socket and other researchers have confirmed that the Bitwarden CLI package published to npm — @bitwarden/cli version 2026.4.0 — was compromised in a supply chain attack that abused a GitHub Action in Bitwarden’s CI/CD pipeline. The malicious release injected a file named bw1.js into the package, exposing tokens, cloud credentials, SSH keys and other sensitive artifacts. While Bitwarden’s Chrome extension, MCP server and other official distribution channels are reported unaffected,…
