CVE-2026-67432 MCP Ruby SDK: Unbounded JSON-RPC request body causes uncontrolled memory allocation in StreamableHTTPTransport

MCP Ruby SDK is the official Ruby SDK for Model Context Protocol servers and clients. Prior to 0.23.0, MCP::Server::Transports::StreamableHTTPTransport in the mcp gem reads and parses an entire JSON-RPC POST body without a size limit, allowing an unauthenticated remote attacker to exhaust process...

CVE-2026-16326

In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not properly isolate session state in stateless mode, which may allow one client's Consul authentication token to be used for subsequent requests from other clients. This vulnerability CVE-2026-16326 is fixed in consul-mcp-server 0.1.4...

CVE-2026-63118

MCP Ruby SDK is the official Ruby SDK for Model Context Protocol servers and clients. Prior to 0.23.0, MCP::Server::Transports::StreamableHTTPTransport in the mcp gem does not validate the HTTP Host or Origin request headers, which allows a malicious browser page to use DNS rebinding to reach a...

CVE-2026-67429 Flyto2 Core: Arbitrary file write via image.download (and other file-writing modules)

Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.6, image.download and related file-writing modules use caller-controlled outputdir instead of validatepathwithenvconfig and its FLYTOSANDBOXDIR confinement, allowing attacker-controlled response bytes to be...

CVE-2026-67428 Flyto2 Core: Multiple HTTP-family modules fetch client-controlled URLs without the SSRF guard their siblings apply (SSRF to internal/metadata)

Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.7, HTTP-emitting modules including src/core/modules/thirdparty/developer/http/requests.py, core.api.httpget, core.api.httppost, graphql.query, graphql.mutation, monitor.httpcheck, communication.slacksend,...

CVE-2026-67428

Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.7, HTTP-emitting modules including src/core/modules/thirdparty/developer/http/requests.py, core.api.httpget, core.api.httppost, graphql.query, graphql.mutation, monitor.httpcheck, communication.slacksend,...

CVE-2026-67427 Flyto2 Core: ${env.VAR} interpolation reads any env secret despite env.get being denylisted

Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.6, the workflow engine variable resolver expands $env.VAR for any host environment variable without an allowlist or capability policy check, allowing a workflow parameter to bypass the default capability polic...

CVE-2026-16326 consul-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode

In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not properly isolate session state in stateless mode, which may allow one client's Consul authentication token to be used for subsequent requests from other clients. This vulnerability CVE-2026-16326 is fixed in consul-mcp-server 0.1.4...

CVE-2026-16326

In consul-mcp-server, versions 0.1.0–0.1.3 fail to properly isolate session state in stateless mode, which may allow one client’s Consul authentication token to be used for subsequent requests from other clients. This is critical (CVSS v3.1: 10.0; AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L). The issue i...

CVE-2026-16326 consul-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode

In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not properly isolate session state in stateless mode, which may allow one client's Consul authentication token to be used for subsequent requests from other clients. This vulnerability CVE-2026-16326 is fixed in consul-mcp-server 0.1.4...

CVE-2026-67425

CVE-2026-67425 affects Flyto2 Core. Prior to version 2.26.6, the component llm.chat reads provider keys (e.g., OPENAI_API_KEY, ANTHROPOLIC_API_KEY) from the environment and transmits them in an Authorization: Bearer header to a caller-controlled base_url, enabling an attacker to exfiltrate the op...

CVE-2026-16328

In consul-mcp-server, versions 0.1.0–0.1.3 did not restrict how the Consul backend address was supplied, allowing a connected client to override the server’s Consul address via a request header. This could redirect the server’s Consul API traffic to an attacker-controlled endpoint and potentially...

CVE-2026-16328 consul-mcp-server vulnerable to server side request forgery leading to token exposure

In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not restrict how the Consul backend address was supplied, allowing a connected client to override the server's configured Consul address via a request header. This may allow a malicious client to redirect the server's Consul API traffic to an...

CVE-2026-67424

Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.7, the HTTP modules http.get, http.request, and http.batch in src/core/modules/atomic/http/get.py, src/core/modules/atomic/http/request.py, and src/core/modules/atomic/http/batch.py validate only the initial...

CVE-2026-62995 joserfc accepts JWT with padding, leading to JWT malleability

joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption JOSE standards. in versions 1.7.1 and prior, joserfc accepts JWTs with trailing padding == which are not conforming to the JOSE specifications. This leads to malleability of the JWTs when...

Multiple vulnerabilities impacting HashiCorp Consul MCP Server

Summary consul-mcp-server versions 0.1.0 up to 0.1.3 are affected by two vulnerabilities. First, the server did not restrict client-supplied overrides of the Consul backend address, which may allow a connected client to redirect Consul API traffic to an attacker-controlled endpoint and potentiall...

CVE-2026-59900

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, Netty's HTTP/2-to-HTTP/1.x translation layer Http2StreamFrameToHttpObjectCodec and InboundHttp2ToHttpAdapter fails to deduplicate or validate Host headers when an HTTP/2 client...

CVE-2026-59899

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, HttpContentEncoder the superclass of the production handler HttpContentCompressor maintains a per-channel ArrayDeque named acceptEncodingQueue that accumulates attacker-controll...

CVE-2026-10684 Out-of-bounds read in coredump shell when printing stored-dump target code

In subsys/debug/coredump/coredumpshell.c, printcoredumphdr used the 16-bit tgtcode field of a stored Zephyr coredump header directly as an index into coredumptargetcode2str, a fixed 7-element array of string pointers, with no bounds check. A stored coredump whose tgtcode is = 7 causes an...

EUVD-2026-50444

Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, ab attacker can force WebSocket upgrade via the lax V07 or V08 handshaker by sending Sec-WebSocket-Version: 7 and omitting Connection: Upgrade / Upgrade: websocket headers,...