VQV Signal

SECURITY WATCH PRACTICAL

Security: a tampered Claude Code extension sat in Cursor's marketplace for 11 hours

Cursor disclosed that versions 2.1.312 and 2.1.313 of a Claude Code extension in its VS Code extension marketplace, for macOS and Windows, weren't built by Anthropic and sent host details to an attacker for about 11 hours on October 29. In a related t...

Source: Scobleizer News Pulse (X) · x.com Found via Robert Scoble’s Scobleizer News Pulse · a post on X, not independently verified Published 2026-10-31T18:40:00+00:00 Detected 2026-11-01T01:30:44+00:00
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Cursor disclosed that versions 2.1.312 and 2.1.313 of a Claude Code extension in its VS Code extension marketplace, for macOS and Windows, weren't built by Anthropic and sent host details to an attacker for about 11 hours on October 29. In a related t...

Cursor disclosed that versions 2.1.312 and 2.1.313 of a Claude Code extension in its VS Code extension marketplace, for macOS and Windows, weren't built by Anthropic and sent host details to an attacker for about 11 hours on October 29. In a related thread, Gergely Orosz quoted a security engineer who doubts AI...

Security-conscious readers may want to review the source and watch for practical exposure or mitigation details.

Signal Strength 87% Technical label WATCH Public Interest 51 Category SECURITY Reader Depth PRACTICAL

Signal Strength reflects source quality, relevance, freshness and evidence. Public Interest helps organize discovery; it is not proof of truth.

Public Interest components
Recognizable Entity Score 82 Practical Impact Score 8 Novelty Interest Score 70 Consequence Score 62 Curiosity Score 0 Shareability Score 60

VQV surfaced this signal because it is recent, relevant to AI Coding Tools, connected to Scobleizer News Pulse (X).