UNKNOWN Microsoft
CVE-2026-84303
gRPC-Go: xDS RBAC HTTP Filter bypass via mixed-case Header Matching and gRFC A41 validation evasion
Microsoft Security Update 2026-Sep: gRPC-Go: xDS RBAC HTTP Filter bypass via mixed-case Header Matching and gRFC A41 validation evasion
Affected Products
- azl3 grpc 1.62.3-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84303
- https://nvd.nist.gov/vuln/detail/CVE-2026-84303
This unknown severity vulnerability was published on 2026-09-08 via Microsoft. Affected: azl3 grpc 1.62.3-1 on Azure Linux 3.0.
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