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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-116178

vLLM from 0.20.0 before 0.30.0 contains a denial of service vulnerability that allows remote attackers to crash the engine by sending inconsistent multimodal metadata to the disaggregated /inference/v1/generate endpoint. Attackers can replay a valid multimodal item with repeated or overlapping mm_placeholders ranges or mismatched kwargs_data and mm_hashes lists, producing a negative text span in Qwen2.5-VL position construction that terminates the engine.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 24.7%
CVSS Severity
CVSS v3 Score 5.9
Products affected by CVE-2026-116178
  • Vllm » Vllm » Version: 0.20.0
    cpe:2.3:a:vllm:vllm:0.20.0
  • Vllm » Vllm » Version: 0.20.1
    cpe:2.3:a:vllm:vllm:0.20.1
  • Vllm » Vllm » Version: 0.20.2
    cpe:2.3:a:vllm:vllm:0.20.2
  • Vllm » Vllm » Version: 0.21.0
    cpe:2.3:a:vllm:vllm:0.21.0
  • Vllm » Vllm » Version: 0.21.1
    cpe:2.3:a:vllm:vllm:0.21.1
  • Vllm » Vllm » Version: 0.22.0
    cpe:2.3:a:vllm:vllm:0.22.0
  • Vllm » Vllm » Version: 0.22.1
    cpe:2.3:a:vllm:vllm:0.22.1
  • Vllm » Vllm » Version: 0.23.0
    cpe:2.3:a:vllm:vllm:0.23.0
  • Vllm » Vllm » Version: 0.23.1
    cpe:2.3:a:vllm:vllm:0.23.1
  • Vllm » Vllm » Version: 0.24.0
    cpe:2.3:a:vllm:vllm:0.24.0
  • Vllm » Vllm » Version: 0.25.0
    cpe:2.3:a:vllm:vllm:0.25.0
  • Vllm » Vllm » Version: 0.25.1
    cpe:2.3:a:vllm:vllm:0.25.1
  • Vllm » Vllm » Version: 0.26.0
    cpe:2.3:a:vllm:vllm:0.26.0
  • Vllm » Vllm » Version: 0.26.1
    cpe:2.3:a:vllm:vllm:0.26.1
  • Vllm » Vllm » Version: 0.27.0
    cpe:2.3:a:vllm:vllm:0.27.0
  • Vllm » Vllm » Version: 0.27.1
    cpe:2.3:a:vllm:vllm:0.27.1
  • Vllm » Vllm » Version: 0.28.0
    cpe:2.3:a:vllm:vllm:0.28.0
  • Vllm » Vllm » Version: 0.28.1
    cpe:2.3:a:vllm:vllm:0.28.1
  • Vllm » Vllm » Version: 0.29.0
    cpe:2.3:a:vllm:vllm:0.29.0
  • Vllm » Vllm » Version: 0.29.1
    cpe:2.3:a:vllm:vllm:0.29.1


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