PYSEC-2026-1428 Denial of Service Vulnerability in gRPC TCP Server (Posix-compatible platforms)

Lack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms ex. Linux allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Jav...

PYSEC-2026-1425 gRPC Reachable Assertion issue

There exists an vulnerability causing an abort to be called in gRPC. The following headers cause gRPC's C++ implementation to abort when called via http2: te: x x != trailers :scheme: x x != http, https grpclbclientstats: x x == anything On top of sending one of those headers, a later header must...

CVE-2026-54234 vLLM: Remote DoS in vLLM via Invalid Recovered Token Reinjection

vLLM is a high-throughput and memory-efficient inference and serving engine for LLMs. Prior to 0.24.0, a frontend-legal multi-request speculative decoding workload can cause the rejection sampler to produce a recovered token equal to the model vocabulary size boundary value, which is then convert...

OESA-2026-2801 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion ...

OESA-2026-2800 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion ...

OESA-2026-2798 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion ...

OESA-2026-2799 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpproxyv2module and ngxhttpgrpcmodule modules. This vulnerability exists when the proxyhttpversion ...

CVE-2026-54234: Improper Input Validation

vLLM is a high-throughput and memory-efficient inference and serving engine for LLMs. Prior to 0.24.0, a frontend-legal multi-request speculative decoding workload can cause the rejection sampler to produce a recovered token equal to the model vocabulary size boundary value, which is then convert...

CVE-2026-48853

A flaw was found in the grpc component of elixir-grpc. This vulnerability allows unauthenticated attackers to send specially crafted messages, leading to two critical outcomes. First, it can cause a Denial of Service DoS by crashing the Erlang virtual machine BEAM node. Second, under certain...

MAL-2026-6717 Malicious code in test-pkg-x0 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 0d0014944456f668a25fa484bf7cb5f36a7128d6a585b86d9294d8d49b23049a Package declares scripts.postinstall pointing at shim.js, a script that runs unconditionally on npm install. shim.js branches on uname -s...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.16.65 packages and security update

Red Hat OpenShift Container Platform release 4.16.65 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.16. Red Hat Product Security has rated this update as having a...

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...

SUSE 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...

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...