An official extension for Anthropic’s Claude model was backdoored and threatened as many as 5,000 developers' machines, multiple sources reported Friday. Anthropic so far has yet to warn customers of the incident. The compromised package was a VS Code extension available in the marketplace of Cursor, a maker of AI-assisted developer tools, the company said Friday.
Anthropic VS code extension on Cursor backdoored for nearly 12 hours
About this summary. This is a short excerpt from the description that Ars Technica published with its article. Cyber Security News did not report or verify the underlying story. Read the original: https://arstechnica.com/security/2026/10/anthropic-vs-code-extension-on-cursor-backdoored-for-nearly-12-hours/
Source attribution: headline and facts are from Ars Technica (arstechnica.com). Summary method: excerpt of the source description. See our source attribution policy.
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