The team built KVGuard, a sanitizer for LLM serving systems that detects a bug where the server reads data from a shared KV cache buffer belonging to other users. Testing on SGLang 0.5.19 revealed 4095 such uninitialized reads.
#KVCache #LLM #ServingEngine
#KVCache #LLM #ServingEngine
KVGuard detected the KV cache leak bug in SGLang
Source: HackerNews AI
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November 5, 2026 at 11:22 AM
The team built KVGuard, a sanitizer for LLM serving systems that detects a bug where the server reads data from a shared KV cache buffer belonging to other users. Testing on SGLang 0.5.19 revealed 4095 such uninitialized reads.
#KVCache #LLM #ServingEngine
#KVCache #LLM #ServingEngine