Claude Code extension poisoned with persistent SSH backdoor
A tampered build of Anthropic’s Claude Code extension for VS Code-compatible editors planted an SSH backdoor on developers’ machines, researchers at macOS security firm Phorion have found. The malicious package, version 2.1.313, was published on Open VSX, an open-source marketplace for VS Code extensions run by the Eclipse Foundation. VS Code’s default extension store is Microsoft’s Visual Studio Marketplace, which never carried the compromised extension. Its terms of use limit it to Microsoft’s own products, … More
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