Traefik: Deny Rule Bypass via Unauthenticated Malicious gRPC Requests in gRPC-Go Dependency (CVE-2026-33186)

Summary There is a potential vulnerability in Traefik due to its dependency on an affected version of gRPC-Go CVE-2026-33186. A remote, unauthenticated attacker can send gRPC requests with a malformed HTTP/2 :path pseudo-header omitting the mandatory leading slash e.g., Service/Method instead of...

EUVD-2026-17026

OpenClaw before 2026.3.11 contains an authorization bypass vulnerability in the gateway agent RPC that allows authenticated operators with operator.write permission to override workspace boundaries by supplying attacker-controlled spawnedBy and workspaceDir values. Remote operators can escape the...

EUVD-2026-16957

GRID::Machine versions through 0.127 for Perl allows arbitrary code execution via unsafe deserialization. GRID::Machine provides Remote Procedure Calls RPC over SSH for Perl. The client connects to remote hosts to execute code on them. A compromised or malicious remote host can execute arbitrary...

CVE-2026-4851

GRID::Machine (Perl) up to version 0.127 is affected by arbitrary code execution due to unsafe deserialization in read_operation() where $arg is deserialized via eval(); a compromised remote host can inject Perl code in the Dumper-formatted response, executing on the client with every RPC call. T...

CVE-2026-4851 GRID::Machine versions through 0.127 for Perl allows arbitrary code execution via unsafe deserialization

GRID::Machine versions through 0.127 for Perl allows arbitrary code execution via unsafe deserialization. GRID::Machine provides Remote Procedure Calls RPC over SSH for Perl. The client connects to remote hosts to execute code on them. A compromised or malicious remote host can execute arbitrary...

OpenClaw 安全漏洞

OpenClaw is a command line tool for rights management. A security vulnerability exists in OpenClaw versions prior to 2026.3.11, which stems from the gateway proxy RPC interface failing to effectively restrict the spawnedBy and workspaceDir parameters when verifying permissions. The vulnerability...

CVE-2026-5012 elecV2 elecV2P rpc pm2run os command injection

A flaw has been found in elecV2 elecV2P up to 3.8.3. This issue affects the function pm2run of the file /rpc. Executing a manipulation can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The project was informed of the problem ear...

CVE-2026-34388 Fleet vulnerable to Denial of Service via unhandled gRPC log type in launcher endpoint

Fleet is open source device management software. Prior to 4.81.0, a denial-of-service vulnerability in Fleet's gRPC Launcher endpoint allows an authenticated host to crash the entire Fleet server process by sending an unexpected log type value. The server terminates immediately, disrupting all...

GO-2026-4762 Authorization bypass in gRPC-Go via missing leading slash in :path in google.golang.org/grpc

Authorization bypass in gRPC-Go via missing leading slash in :path in google.golang.org/grpc...

SUSE 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

A flaw was found in etcd, a distributed key-value store. Unauthorized users can bypass authentication or authorization checks when the gRPC API is exposed to untrusted clients. This allows them to access sensitive cluster topology information, disrupt operations through alarms, interfere with lea...

CVE-2026-26330

Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, At the rate limit filter, if the response phase limit with applyonstreamdone in the rate limit configuration is enabled and the response phase limit request fails directly, it may crash Envoy. Whe...

CVE-2026-23669

Use after free in RPC Runtime allows an authorized attacker to execute code over a network...

DEBIAN-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

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-2026-4747 Remote code execution via RPCSEC_GSS packet validation

Each RPCSECGSS data packet is validated by a routine which checks a signature in the packet. This routine copies a portion of the packet into a stack buffer, but fails to ensure that the buffer is sufficiently large, and a malicious client can trigger a stack overflow. Notably, this does not...

CVE-2026-4747

CVE-2026-4747 is a FreeBSD vulnerability in the RPCSEC_GSS implementation (kgssapi.ko) where svc_rpc_gss_validate() copies attacker-controlled data into a 128-byte stack buffer without enforcing size, enabling a 304-byte overflow when credential bodies up to 400 bytes are supplied. This can lead ...

FreeBSD Security Advisory - FreeBSD-SA-26:08.rpcsec_gss

FreeBSD Security Advisory - Each RPCSECGSS data packet is validated by a routine which checks a signature in the packet. This routine copies a portion of the packet into a stack buffer, but fails to ensure that the buffer is sufficiently large, and a malicious client can trigger a stack overflow...

Improper Check for Unusual or Exceptional Conditions

Overview @grackle-ai/server is a Grackle server orchestrator — spawns and wires core gRPC, web-server HTTP, MCP, and PowerLine Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions in the JSON.parse process within the gRPC service adapter...

@grackle-ai/server JSON.parse lacks try-catch logic in its gRPC Service AdapterConfig Handling

Impact JSON.parseenv.adapterConfig is called without error handling in three locations within the gRPC service. While the data originates from the server's own SQLite database and should always be valid JSON, database corruption, migration errors, or unexpected state could cause an unhandled...