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CVE-2026-71486

🗓️ 17 Aug 2026 20:13:06Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 51 Views🌐 WEB

vLLM before 0.26.0 allows authenticated DoS via oversized GenerateResponse objects on derender endpoints.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-71486
17 Aug 202620:13
–attackerkb
circl
Circl
CVE-2026-71486
5 Sep 202603:31
–circl
cvelist
Cvelist
CVE-2026-71486 vLLM: Derender endpoints decode caller-supplied GenerateResponse token IDs without output bounds
17 Aug 202620:13
–cvelist
euvd
EUVD
EUVD-2026-60376
4 Sep 202621:32
–euvd
github
Github Security Blog
vLLM: Derender endpoints decode caller-supplied GenerateResponse token IDs without output bounds
4 Sep 202621:32
–github
nvd
NVD
CVE-2026-71486
17 Aug 202620:16
–nvd
osv
OSV
CGA-84X3-3C23-8Q4C
28 Sep 202617:15
–osv
osv
OSV
CGA-FP85-JXWR-JP4X
5 Sep 202613:18
–osv
osv
OSV
CGA-JV66-GM8J-XCXX
5 Sep 202614:19
–osv
osv
OSV
CGA-MF8G-7R3R-MM5V
5 Sep 202613:24
–osv
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Vulners
Node
vllmvllmRange<0.26.0
[
  {
    "vendor": "vllm-project",
    "product": "vllm",
    "versions": [
      {
        "version": "< 0.26.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
generate_responsesrequest body/v1/completions/derenderAuthenticated API client can cause resource exhaustion by sending oversized GenerateResponse data that is processed before enforcing limits, leading to excessive CPU/memory usage and oversized responses.CWE-770, CWE-400
choicesrequest body/v1/completions/derenderAuthenticated API client can cause resource exhaustion by sending oversized GenerateResponse data that is processed before enforcing limits, leading to excessive CPU/memory usage and oversized responses.CWE-770, CWE-400
token_idsrequest body/v1/completions/derenderAuthenticated API client can cause resource exhaustion by sending oversized GenerateResponse data that is processed before enforcing limits, leading to excessive CPU/memory usage and oversized responses.CWE-770, CWE-400
prompt_logprobsrequest body/v1/completions/derenderAuthenticated API client can cause resource exhaustion by sending oversized GenerateResponse data that is processed before enforcing limits, leading to excessive CPU/memory usage and oversized responses.CWE-770, CWE-400
logprobs.contentrequest body/v1/completions/derenderAuthenticated API client can cause resource exhaustion by sending oversized GenerateResponse data that is processed before enforcing limits, leading to excessive CPU/memory usage and oversized responses.CWE-770, CWE-400
top_logprobsrequest body/v1/completions/derenderAuthenticated API client can cause resource exhaustion by sending oversized GenerateResponse data that is processed before enforcing limits, leading to excessive CPU/memory usage and oversized responses.CWE-770, CWE-400
routed_expertsrequest body/v1/completions/derenderAuthenticated API client can cause resource exhaustion by sending oversized GenerateResponse data that is processed before enforcing limits, leading to excessive CPU/memory usage and oversized responses.CWE-770, CWE-400
generate_responsesrequest body/v1/chat/completions/derenderAuthenticated API client can cause resource exhaustion by sending oversized GenerateResponse data that is processed before enforcing limits, leading to excessive CPU/memory usage and oversized responses.CWE-770, CWE-400
choicesrequest body/v1/chat/completions/derenderAuthenticated API client can cause resource exhaustion by sending oversized GenerateResponse data that is processed before enforcing limits, leading to excessive CPU/memory usage and oversized responses.CWE-770, CWE-400
token_idsrequest body/v1/chat/completions/derenderAuthenticated API client can cause resource exhaustion by sending oversized GenerateResponse data that is processed before enforcing limits, leading to excessive CPU/memory usage and oversized responses.CWE-770, CWE-400
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09 Sep 2026 21:11Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
EPSS0.00466
SSVC
51