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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👁 569 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
Family
osv
OSV
MINI-9737-V2XV-89HR
22 Jun 202622:42
osv
osv
OSV
MINI-97MC-G6J8-2XW7
22 Mar 202619:15
osv
osv
OSV
MINI-97MP-22MX-2WWC
22 Mar 202619:00
osv
osv
OSV
MINI-98X7-7644-H7W7
22 Mar 202619:15
osv
osv
OSV
MINI-99QJ-6GMW-WJH4
26 Jun 202613:36
osv
osv
OSV
MINI-9C3X-M94R-VJ3F
22 Mar 202619:00
osv
osv
OSV
MINI-9C62-JHP7-WQ5X
5 Apr 202618:27
osv
osv
OSV
MINI-9CR6-8X93-JHX4
20 Mar 202614:30
osv
osv
OSV
MINI-9CV2-94WW-QVF6
18 Jun 202614:54
osv
osv
OSV
MINI-9CVV-3MH8-GXX7
20 Mar 202619:45
osv
Rows per page
NVD
Vulners
Node
grpcgrpcRange<1.79.3go
[
  {
    "vendor": "grpc",
    "product": "grpc-go",
    "versions": [
      {
        "version": "< 1.79.3",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
Service/Methodpath/Service/MethodAuthorization bypass when :path is non-canonical and lacks leading slash, causing deny rules to miss and allow through default policy.CWE-285CWE-551
/Service/Methodpath/Service/MethodAuthorization bypass when :path is non-canonical and lacks leading slash, causing deny rules to miss and allow through default policy.CWE-285CWE-551
[:path]path/Service/MethodAuthorization bypass when :path is non-canonical and lacks leading slash, causing deny rules to miss and allow through default policy.CWE-285CWE-551

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06 Aug 2026 13:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.1
EPSS0.01557
SSVC
569