Anthropic: Tampered Claude Code Copy on Cursor — SkimNews
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- Anthropic said a malicious actor used access to Cursor’s marketplace to publish a “tampered” copy of the Claude Code extension, a copy Anthropic did not build or publish.
- Cursor is working with Anthropic on the incident, which Anthropic says was not a compromise of its own systems.
Why it matters: The key distinction is scope: one malicious actor used Cursor’s marketplace access to publish a tampered Claude Code copy, while Anthropic says its own systems were not compromised. For Claude Code users, the provenance of that listing is the concrete issue, and the two companies are working together on it.
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