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CVE-2026-33186

🗓️ 20 Mar 2026 22:23:32Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 710 Views🌐 WEB

gRPC-Go before 1.79.3 allows auth bypass with non-canonical :path; fix rejects it; mitigations include interceptors or policy hardening.

Related
Detection
Affected
Refs
Paths
Social
ReporterTitlePublishedViews
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7 Apr 202619:25
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CGA-4PVW-R7V2-F9W6
19 Mar 202613:58
osv
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NVD
Vulners
Node
grpcgrpcRange<1.79.3go
[
  {
    "vendor": "grpc",
    "product": "grpc-go",
    "versions": [
      {
        "version": "< 1.79.3",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
:pathheader/Service/MethodAuthorization bypass due to non-canonical :path header bypassing RBAC deny rules (leading slash missing).CWE-285CWE-551

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18 Sep 2026 13:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.1
EPSS0.01557
SSVC
710