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Up to 100 retained publisher events per page for bd9af27e0a0cd2beb0e002043431d2f8cf22c63d6884a5bc27018fdade52bf41. Withdrawals and unavailable references remain attributed to their publishers.

intelligence_src_c25d91fa3ad9ae9ac7

observed · 2026-10-12 14:53:04 UTC

Recently, Anthropic added the capability for Claude’s Code Interpreter to perform network requests. This is obviously very dangerous as we will see in this post. At a high level, this post is about a data exfiltration attack chain, where an adversary (either the model or third-party attacker via indirect prompt injection) can exfiltrate data the user has access to. The interesting part is that this is not via hyperlink rendering as we often see, but by leveraging the built-in Anthropic Claude APIs!

Fingerprint: 6264d882687bf254501696d5a7a057ca19af97532a9264f0b5da3bb6c09ebd38

intelligence_src_c25d91fa3ad9ae9ac7

observed · 2026-10-12 14:53:03 UTC

available

Fingerprint: 0a2f1bebc7ea800736eafab237a0ddecfb8797a02d23951e8aa80935e2f3446f