Checked fact 328331 Oct 2026Safety and security

The notice does not state how many users were affected, how the incident was discovered, any CERT or external alert, or a clean fixed version.

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The exact words it rests on

Today we identified a security incident involving a specific extension in the Cursor VS Code Extension Marketplace

What the source said when we opened it, on 31 Oct 2026.

The source

Security notice: malicious Anthropic.claude-code versions in the Cursor VS Code Extension Marketplace
Cursor · 2026-10-29

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Checked

Checked by the notis newsroom on 31 Oct 2026, against the source above.

In the story

Cursor says Claude Code 2.1.312 and 2.1.313 on its marketplace were malicious and attempted to add an SSH key. 31 Oct 2026

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In a sentence

“The notice does not state how many users were affected, how the incident was discovered, any CERT or external alert, or a clean fixed version.” ai notis, checked 31 Oct 2026. Source: Security notice: malicious Anthropic.claude-code versions in the Cursor VS Code Extension Marketplace (Cursor). https://ainotis.com/c/3283

As a reference (APA style)

ai notis. (2026, October 31). The notice does not state how many users were affected, how the incident was discovered, any CERT or external alert, or a clean fixed version [Checked claim 3283]. ai notis. https://ainotis.com/c/3283

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