CVE-2026-114050: vllm 0 to before 0.31.0

Affected technology

vllm · 0 to before 0.31.0
vllm-project

Description’s affected range: before 0.31.0 uses a client-supplied multimodal uuid verbatim as cache identity with no consistency check on cache hits

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Unauthenticated attackers can desynchronize the P0/P1 processor caches to trigger a fatal token-placeholder mismatch, killing the entire serving instance until restarted. Vendor/CNA’s CVSS 4.0 assessment (base score 7.1/10) rates confidentiality and integrity impact as none; availability impact as high.