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CVE-2026-73559

🗓️ 13 Aug 2026 15:09:02Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 61 Views🌐 WEB

vLLM 0.19.0-0.25.x: unbounded prompt list causes resource exhaustion and DoS.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-73559
13 Aug 202615:09
attackerkb
cgr
Chainguard
CVE-2026-73559 vulnerabilities
27 Aug 202602:18
cgr
circl
Circl
CVE-2026-73559
13 Aug 202619:32
circl
cvelist
Cvelist
CVE-2026-73559 vLLM: Completion prompt lists fan out into unbounded engine requests
13 Aug 202615:09
cvelist
euvd
EUVD
EUVD-2026-58067
13 Aug 202615:09
euvd
github
Github Security Blog
vLLM: Completion prompt lists fan out into unbounded engine requests
13 Aug 202618:40
github
nvd
NVD
CVE-2026-73559
13 Aug 202616:19
nvd
osv
OSV
CGA-F2C6-PGQW-823V
26 Aug 202614:33
osv
osv
OSV
GHSA-87X5-VMC3-756J vLLM: Completion prompt lists fan out into unbounded engine requests
13 Aug 202618:40
osv
osv
OSV
MINI-669X-HPX7-64M9
15 Aug 202609:08
osv
Rows per page
Vulners
Node
vllmvllmRange0.19.00.26.0
[
  {
    "vendor": "vllm-project",
    "product": "vllm",
    "versions": [
      {
        "version": ">= 0.19.0, < 0.26.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
CompletionRequest.promptrequest body/v1/completionsUnbounded prompt input in CompletionRequest.prompt can exhaust CPU/memory/resources due to expansion of elements during preprocessing, enabling denial-of-service on authenticated API clients.CWE-400

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14 Aug 2026 17:20Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.16.5
EPSS0.00388
61