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Context Window Flooding: How Attackers Weaponize the Lost-in-the-Middle Attention Gap

An attacker does not need a clever jailbreak when they can make the model stop reading the system prompt through sheer volume.

  • Attackers manipulate context window to push system prompt into dead zone
  • Three context flooding attack types: padding, relevance flooding, tool result flooding
  • Agentic pipelines amplify attack surface through persistence and multi-agent orchestration

Working: Multi-Tenant Agent Isolation Failures: When One User's Context Bleeds Into Another's

Multi-Tenant Agent Isolation Failures: When One User's Context Bleeds Into Another's On March 20, 2023, a race condition in a Redis client library caused ChatGPT to return data across user boundaries.

  • Multi-tenant agent isolation failures occurred on March 20, 2023
  • Race condition in Redis client library leaked user context into others
  • Cryptographic namespace segregation per tenant required for mitigation

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