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CVE-2026-73555

🗓️ 13 Aug 2026 14:50:03Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 95 Views🌐 WEB

vLLM before 0.26.0 leaks OS username, paths via unauthenticated error messages.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-73555
13 Aug 202614:50
–attackerkb
circl
Circl
CVE-2026-73555
5 Sep 202602:32
–circl
cvelist
Cvelist
CVE-2026-73555 vLLM: Unauthenticated Internal Path and Username Disclosure via Validation Error Messages
13 Aug 202614:50
–cvelist
euvd
EUVD
EUVD-2026-58053
4 Sep 202621:36
–euvd
github
Github Security Blog
vLLM: Unauthenticated Internal Path and Username Disclosure via Validation Error Messages
4 Sep 202621:36
–github
mend
Mend
CVE-2026-73555
13 Aug 202614:50
–mend
nvd
NVD
CVE-2026-73555
13 Aug 202615:20
–nvd
osv_cga
osv_cga
CGA-4J5W-CWP9-GVR9
5 Sep 202613:18
–osv_cga
osv_cga
osv_cga
CGA-5F9M-G658-PXQG
28 Sep 202617:15
–osv_cga
osv_cga
osv_cga
CGA-FFRM-7789-RC7W
7 Oct 202622:35
–osv_cga
Rows per page
NVD
Vulners
Node
vllmvllmRange<0.26.0
[
  {
    "vendor": "vllm-project",
    "product": "vllm",
    "versions": [
      {
        "version": "< 0.26.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
JSON bodyrequest body/v1/chat/completionsUnauthenticated malformed JSON requests to /v1/chat/completions can trigger a validation exception that discloses internal file paths, OS information, and environment details via the error response.CWE-209
JSON bodyrequest body/v1/completionsUnauthenticated malformed JSON requests to /v1/completions can trigger a validation exception that discloses internal file paths, OS information, and environment details via the error response.CWE-209
JSON bodyrequest body/tokenizeUnauthenticated malformed JSON requests to /tokenize can trigger a validation exception that discloses internal file paths, OS information, and environment details via the error response.CWE-209
JSON bodyrequest body/detokenizeUnauthenticated malformed JSON requests to /detokenize can trigger a validation exception that discloses internal file paths, OS information, and environment details via the error response.CWE-209

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02 Oct 2026 19:28Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3
EPSS0.00413
SSVC
95