Checked fact 328131 Oct 2026Safety and security

The notice says the malicious version was removed, and the marketplace was fully shut down, rebuilt and brought back online.

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The exact words it rests on

Removed the malicious version from the Cursor VS Code Extension Marketplace immediately upon detection and blocked further distribution. We followed with a full shut down of the marketplace out of an abundance of caution.

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

Open the source archived copy

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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Short permanent address

In a sentence

“The notice says the malicious version was removed, and the marketplace was fully shut down, rebuilt and brought back online.” 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/3281

As a reference (APA style)

ai notis. (2026, October 31). The notice says the malicious version was removed, and the marketplace was fully shut down, rebuilt and brought back online [Checked claim 3281]. ai notis. https://ainotis.com/c/3281

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