Skip to content

Cursor Reports Malicious Claude Code Extension Affecting at Most 5,000 Users

1 reports 1 reporting sources 4 hours agoNew

Understand the event

AI overview

Cursor said it identified a security incident involving a malicious, modified Claude Code VS Code extension accessed through the Cursor IDE extension marketplace, affecting at most 5,000 users. Cursor said Anthropic did not develop the malicious version and that the incident does not affect other extensions.

Generated by AI from reports · Updated 2 hours ago

Read next

More changes in today’s briefingMistral releases improved Mistral Large 4 open weights for coding and cybersecurity

Report timeline

Follow the reports to explore different sides of the event.

10/30
  1. Cursor reports malicious Claude Code extension impacting at most 5,000 users

    Cursor identified a security incident involving a modified Claude Code VS Code extension accessed through its IDE extension marketplace, impacting at most 5,000 users. The malicious version was not developed by Anthropic. The incident does not impact other extensions.

Keep up with AI, one email a day

Model releases, price changes and compute developments, with original sources. Free, confirmed by email, and easy to unsubscribe. Read a past issue

Event heat trend

Current within comparable coverage
9
Peak within comparable coverage
1010/30 17:00 (UTC+8)
24-hour change
–

Trends compare the same continuously observed participants, which may cover fewer sources than current heat. Point or click to inspect hourly heat, or use left and right arrow keys.