CVE-2026-18636: Authentication Bypass Using an Alternate Path or Channel

The Velociraptor gRPC API has a VFSGetBuffer endpoint which allows reading files from the datastore. To prevent users from reading sensitive files or accessing other orgs, the requested path is prefix checked against a list of denied prefixes. This prefix check can be bypassed allowing a user to...

PT-2026-67627

Impact What kind of vulnerability is it? Who is impacted? A user granted READ permission on a single, exact key can use the Watch gRPC API with clientv3.WithFromKey an open-ended, "from this key to the end of the keyspace" watch to receive watch events for every key lexicographically greater than...

CVE-2026-48692: Missing Authentication for Critical Function

FastNetMon Community Edition through 1.2.9 exposes a gRPC API server on port 50052 with no authentication mechanism. The server is initialized with grpc::InsecureServerCredentials src/fastnetmon.cpp line 477 and a source code comment explicitly acknowledges 'Listen on the given address without an...

CVE-2026-7573

An authorization bypass CWE-639 in the GetUserRoles gRPC API endpoint in Velocidex Velociraptor below version 0.76.5 allows any authenticated low-privilege user to retrieve the complete ACL policy roles and permissions for any user across all organizations by supplying targeted Name and Org...

CVE-2026-7573: Authorization Bypass Through User-Controlled Key

An authorization bypass CWE-639 in the GetUserRoles gRPC API endpoint in Velocidex Velociraptor below version 0.76.5 allows any authenticated low-privilege user to retrieve the complete ACL policy roles and permissions for any user across all organizations by supplying targeted Name and Org...

PT-2026-41505

Summary When the kube-router routing controller starts --run-router, it binds the GoBGP gRPC management server to the node's primary IP e.g., 192.168.1.10:50051 in addition to 127.0.0.1:50051. The default admin port is 50051 and the server is enabled by default with no TLS and no authentication...

AZL-80957 CVE-2026-33413 affecting package etcd for versions less than 3.5.28-1

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.42, 3.5.28, and 3.6.9, unauthorized users may bypass authentication or authorization checks and call certain etcd functions in clusters that expose the gRPC API to untrusted or partially trusted...

CVE-2026-33413

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.42, 3.5.28, and 3.6.9, unauthorized users may bypass authentication or authorization checks and call certain etcd functions in clusters that expose the gRPC API to untrusted or partially trusted...

CVE-2026-33413: Missing Authorization

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.42, 3.5.28, and 3.6.9, unauthorized users may bypass authentication or authorization checks and call certain etcd functions in clusters that expose the gRPC API to untrusted or partially trusted...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization in multiple functions in the gRPC API layer, including MemberList and Compact. An attacker can gain unauthorized access to sensitive cluster operations and information, such as viewing cluster topology, disrupting...

CVE-2021-41130

Extensible Service Proxy, a.k.a. ESP is a proxy which enables API management capabilities for JSON/REST or gRPC API services. ESPv1 can be configured to authenticate a JWT token. Its verified JWT claim is passed to the application by HTTP header "X-Endpoint-API-UserInfo", the application can use ...

EUVD-2023-1271

Malicious code in bioql PyPI...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure via the gRPC API and HTTP APIs, which allow peers to send requests that cause the recipient to create files in arbitrary file system locations and read arbitrary files. An attacker can access sensitive data or execu...

CVE-2025-59352

Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, the gRPC API and HTTP APIs allow peers to send requests that force the recipient peer to create files in arbitrary file system locations, and to read arbitrary files. This allows peers to steal...

CVE-2025-59352: Exposure of Sensitive Information Through Data Queries

Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, the gRPC API and HTTP APIs allow peers to send requests that force the recipient peer to create files in arbitrary file system locations, and to read arbitrary files. This allows peers to steal...

NVIDIA Riva gRPC API Missing Authentication for Critical Function Authentication Bypass Vulnerability

This vulnerability allows remote attackers to bypass authentication on affected installations of NVIDIA Riva. Authentication is not required to exploit this vulnerability. The specific flaw exists within the rivaquickstart component. The issue results from the lack of authentication prior to...

SpiceDB binding metrics port to untrusted networks and can leak command-line flags

Background The spicedb serve command contains a flag named --grpc-preshared-key which is used to protect the gRPC API from being accessed by unauthorized requests. The values of this flag are to be considered sensitive, secret data. The /debug/pprof/cmdline endpoint served by the metrics service...

GHSA-CJR9-MR35-7XH6 SpiceDB binding metrics port to untrusted networks and can leak command-line flags

Background The spicedb serve command contains a flag named --grpc-preshared-key which is used to protect the gRPC API from being accessed by unauthorized requests. The values of this flag are to be considered sensitive, secret data. The /debug/pprof/cmdline endpoint served by the metrics service...