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CVE-2025-48942

🗓️ 30 May 2025 18:33:40Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 2 Media mentions👁 182 Views🌐 WEB

CVE-2025-48942 in vLLM causes server crash with invalid json_schema in versions below 0.9.0.

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Affected
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Node
vllmvllmRange0.8.00.9.0
[
  {
    "vendor": "vllm-project",
    "product": "vllm",
    "versions": [
      {
        "version": ">= 0.8.0, < 0.9.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
json_schemarequest body/v1/completionsProviding an invalid json_schema as a Guided Param to /v1/completions can crash the vLLM server (CVE-2025-48942).CWE-248

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17 Jun 2026 09:30Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.16.5
EPSS0.00453
SSVC
182