HIGH 8.1 Microsoft
CVE-2026-33186
gRPC-Go has an authorization bypass via missing leading slash in :path
Microsoft Security Update 2026-Aug: gRPC-Go has an authorization bypass via missing leading slash in :path
Affected Products
- cbl2 grpc 1.42.0-11 on CBL Mariner 2.0
- azl3 grpc 1.62.3-1 on Azure Linux 3.0
- cbl2 grpc 1.42.0-11
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33186
- https://nvd.nist.gov/vuln/detail/CVE-2026-33186
This high severity vulnerability with a CVSS score of 8.1 was published on 2026-08-06 via Microsoft. Affected: cbl2 grpc 1.42.0-11 on CBL Mariner 2.0, azl3 grpc 1.62.3-1 on Azure Linux 3.0, cbl2 grpc 1.42.0-11.
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