vLLM multimodal cache consistency flaw can cause engine crash; official disclosure and fix provided

vLLM's multimodal cache identity and eviction order have a consistency flaw. In default configurations, an unauthenticated remote client can crash a shared inference engine, requiring service restart. The fix involves consistency checks for multimodal UUIDs and processor cache. The GitHub advisory marks affected versions as < 0.31.0, with the fix in version 0.31.0.