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Adversa AI May 2026: MemoryTrap Vulnerability — Poisoned Claude Code Memory Spreads Across Sessions and Infects Multiple Users
Adversa AI's May 2026 roundup discloses MemoryTrap, a vulnerability in Claude Code's memory system where poisoned memory entries can persist across sessions and propagate to other users sharing the same project context. Unlike standard prompt injection (single-session), MemoryTrap creates persistent contamination. Defense recommendation: enforce cryptographic agent identity, isolate runtime environments, and audit memory handling. For Claude Code users relying on auto-memory in shared repos, this warrants immediate review of saved memory entries.
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