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Advisories

vLLM before 0.31.0 Remote Engine Crash via Forged Multimodal UUID

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Severity
high
Date
Affecting

  • vllm >= 0, < 0.31.0

CWE
  • CWE-345 Insufficient Verification of Data Authenticity
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
C1ves, JSGforever, jperezdealgaba
Description
vLLM before 0.31.0 uses a client-supplied multimodal uuid verbatim as cache identity with no consistency check on cache hits, allowing engine crashes. Unauthenticated attackers can desynchronize the P0/P1 processor caches to trigger a fatal token-placeholder mismatch, killing the entire serving instance until restarted.

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