google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

A flaw was found in gRPC-Go, the Go language implementation of gRPC. This vulnerability, an authorization bypass, is caused by improper input validation of the HTTP/2 :path pseudo-header. A remote attacker can exploit this by sending raw HTTP/2 frames with a malformed :path that omits the mandato...

NGINX ngx_http_proxy_v2_module and ngx_http_grpc_module vulnerability

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openSUSE 16 Security Update : google-guest-agent (openSUSE-SU-2026:21069-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21069-1 advisory. This update for google-guest-agent fixes the following issues - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper...

RHCOS 4 : OpenShift Container Platform 4.16.65 (RHSA-2026:29079)

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:29079 advisory. - google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation...

Exploit for CVE-2026-56121

CVE-2026-56121 — Feast Unauthenticated RCE via gRPC Registry D...

SUSE CVE-2026-47204

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpcstats filter crashes null pointer dereference / segfault when a Connect protocol request Content-Type: application/connect+proto...

BIT-ENVOY-2026-47204 Envoy: grpc_stats filter segfault on Connect protocol requests to direct_response routes

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpcstats filter crashes null pointer dereference / segfault when a Connect protocol request Content-Type: application/connect+proto...

The vulnerabilities of the ngx_http_proxy_v2_module and ngx_http_grpc_module modules in NGINX Plus and NGINX Open Source web servers allow attackers to execute arbitrary code or cause service interruptions.

The vulnerability of the ngxhttpproxyv2module and ngxhttpgrpcmodule modules in NGINX Plus and NGINX Open Source web servers stems from the execution of operations outside of the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code or cause service...

SUSE SLES12 Security Update : google-osconfig-agent (SUSE-SU-2026:2665-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2665-1 advisory. - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo- header...

CVE-2026-47207

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.34.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, Envoy crashes if an extproc server sends a single gRPC message containing multiple, specially crafted ProcessingResponse messages. This can occur when the...

CVE-2026-47204

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpcstats filter crashes null pointer dereference / segfault when a Connect protocol request Content-Type: application/connect+proto...

CVE-2026-47207

CVE-2026-47207 : Envoy crashes when an ext_proc server sends a single gRPC message containing multiple ProcessingResponse messages, leading to a use-after-free during processing of subsequent responses. Affected: Envoy versions 1.34.0 through 1.35.12 (as 1.35.13 fixes the issue) and 1.36.0–1.36.8...

CVE-2026-47204 Envoy: grpc_stats filter segfault on Connect protocol requests to direct_response routes

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpcstats filter crashes null pointer dereference / segfault when a Connect protocol request Content-Type: application/connect+proto...

CVE-2026-47204

Envoy CVE-2026-47204 affects the envoy.filters.http.grpc_stats filter. From 1.26.0 up to 1.35.13, 1.36.9, 1.37.5, and 1.38.3, a Connect protocol request (Content-Type: application/connect+proto or application/connect+json) hitting a direct_response route could crash the Envoy process due to a nul...

CVE-2026-47204

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpcstats filter crashes null pointer dereference / segfault when a Connect protocol request Content-Type: application/connect+proto...

CVE-2026-47204 Envoy: grpc_stats filter segfault on Connect protocol requests to direct_response routes

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpcstats filter crashes null pointer dereference / segfault when a Connect protocol request Content-Type: application/connect+proto...

CVE-2026-47204 Envoy: grpc_stats filter segfault on Connect protocol requests to direct_response routes

Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpcstats filter crashes null pointer dereference / segfault when a Connect protocol request Content-Type: application/connect+proto...

SUSE-SU-2026:2665-1 Security update for google-osconfig-agent

This update for google-osconfig-agent fixes the following issues: - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo- header bsc1260264. - CVE-2026-39821: Update golang.org/x/net/idna dependency bsc1266603. - CVE-2026-39827: Update...

SUSE-SU-2026:22376-1 Security update for google-guest-agent

This update for google-guest-agent fixes the following issues - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo- header bsc1260264. - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allo...

OPENSUSE-SU-2026:21069-1 Security update for google-guest-agent

This update for google-guest-agent fixes the following issues - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo- header bsc1260264. - CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allo...