CVE-2026-33186

CVE-2026-33186 gRPC-Go RBAC Authorization Policy Bypass via Missing :path Slash Auth Bypass Description The authz package in google.golang.org/grpc implements SDK-level RBAC authorization using deny and allow rules matched against the :path pseudo-header. The HTTP/2 server transport stores the ra...

GHSA-2V4P-QF9Q-27WJ gRPC-Go xDS servers: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers

A vulnerability exists in gRPC-Go servers configured with xds.NewGRPCServer where a crafted request missing both :authority and Host headers can cause a server panic, resulting in a Denial of Service DoS. Servers built with xds.NewGRPCServer install an xDS routing interceptor on every RPC. This...

AZL-86502 CVE-2026-33814 affecting package ignition-flatcar for versions less than 2.22.0-5

When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGSMAXFRAMESIZE with a value of 0...

AZL-86288 CVE-2026-33814 affecting package golang for versions less than 1.26.3-1

When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGSMAXFRAMESIZE with a value of 0...

AZL-86396 CVE-2026-33814 affecting package buildah 1.43.1-3

When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGSMAXFRAMESIZE with a value of 0...