CVE-2026-52869

The MCP Python SDK (mcp on PyPI) has a vulnerability affecting versions prior to 1.27.2 in its SSE and stateful Streamable HTTP transports. These transports (mcp.server.sse.SseServerTransport and mcp.server.streamable_http_manager.StreamableHTTPSessionManager) route requests to an existing sessio...

CVE-2026-52869 MCP Python SDK: HTTP transports serve session requests without verifying the authenticated principal

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to 1.27.2, the SSE and stateful Streamable HTTP transports mcp.server.sse.SseServerTransport and mcp.server.streamablehttpmanager.StreamableHTTPSessionManager route requests to existing...

CVE-2026-52869: Authorization Bypass Through User-Controlled Key

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. Prior to 1.27.2, the SSE and stateful Streamable HTTP transports mcp.server.sse.SseServerTransport and mcp.server.streamablehttpmanager.StreamableHTTPSessionManager route requests to existing...

Malicious code in @uw010010/vite-tree (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 280687ad50e03b43bf7f26df6afb1a8fb794eb486c126b2368f37c6b76625318 The package @uw010010/vite-tree impersonates the upstream vite package: its package.json verbatim copies vite's author 'Evan You', description...

PT-2026-59275

Summary The HTTP MCP JSON-RPC endpoint at /mcp requires only OAuth read scope for all requests, then dispatches tools/call directly to handlers that include mutating tools. A read-only OAuth client can call store memory and delete memory through MCP even though the corresponding REST endpoints...

CVE-2026-15509 Leantime JSON-RPC Endpoint addUser improper authorization

A vulnerability has been found in Leantime up to 3.8.0. This impacts the function editUser/addUser of the component JSON-RPC Endpoint. The manipulation of the argument role leads to improper authorization. The attack is possible to be carried out remotely. The exploit has been disclosed to the...

CVE-2026-15509

Leantime up to 3.8.0 is affected by a vulnerability in the JSON-RPC Endpoint functions editUser/addUser where manipulating the role argument leads to improper authorization. The issue is exploitable remotely and has been publicly disclosed; vendor response was not provided. Affected impact includ...

CVE-2026-15509: Improper Authorization

A vulnerability has been found in Leantime up to 3.8.0. This impacts the function editUser/addUser of the component JSON-RPC Endpoint. The manipulation of the argument role leads to improper authorization. The attack is possible to be carried out remotely. The exploit has been disclosed to the...

MAL-2026-6988 Malicious code in @vite-tab/tab (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 95af865d1cf7d45f2b4c2a73eebcfcd1a1a6aba9a36f33bf8256ef4d7235903c @vite-tab/tab republishes Vite's codebase under a different name while impersonating the upstream project: package.json declares bin: vite:...

Unbounded JSON-RPC request body causes uncontrolled memory allocation in StreamableHTTPTransport

Summary An unauthenticated remote attacker can force any MCP Ruby SDK server using MCP::Server::Transports::StreamableHTTPTransport to allocate gigabytes of memory by sending a single oversized JSON-RPC POST. The transport reads the entire HTTP body into a Ruby String and parses it with...

Unbounded line buffer in stdio transports leads to memory exhaustion (DoS)

Summary The stdio transports in MCP::Server::Transports::StdioTransport and MCP::Client::Stdio read newline-delimited JSON-RPC frames using IOgets with no limit argument. CRuby's IOgets with no limit reads from the current position until the next separator \n with no upper bound on the returned...

Streamable HTTP transport lacks DNS-rebinding (Host/Origin) protection

Summary MCP::Server::Transports::StreamableHTTPTransport the Rack-mountable Streamable HTTP transport in the mcp gem processes every incoming JSON-RPC request without ever inspecting the HTTP Host or Origin request headers. There is no AllowedHosts/AllowedOrigins allowlist and no DNS-rebinding...

CVE-2026-59712

Leantime's Users::getUser method in the JSON-RPC API lacks proper authorization checks, allowing authenticated users to retrieve full user credential rows including password hashes, TOTP secrets, and session tokens. Attackers can exploit this by calling users.getUser with arbitrary user IDs to...

CVE-2026-59712

According to the connected NVD records, CVE-2026-59712 affects Leantime’s JSON-RPC API via the Users::getUser method. The vulnerability arises from missing authorization checks, enabling authenticated users to call users.getUser with arbitrary user IDs and enumerate accounts. The outcome is expos...

CVE-2026-59712: Authorization Bypass Through User-Controlled Key

Leantime's Users::getUser method in the JSON-RPC API lacks proper authorization checks, allowing authenticated users to retrieve full user credential rows including password hashes, TOTP secrets, and session tokens. Attackers can exploit this by calling users.getUser with arbitrary user IDs to...

Quest NetVault Backup Server < 14.0.2 Multiple Vulnerabilities

The version of Quest NetVault Backup Server running on the remote host is prior to 14.0.2. It is, therefore, affected by multiple vulnerabilities, including: - A cross-site scripting vulnerability in the viewclient webpage that allows remote attackers to bypass authentication. User interaction is...

icinga2 -- Improper access control for JSON-RPC update certificate messages

The Icinga team reports: The code handling certificate update JSON-RPC messages was flawed and did not properly validate the sender of the message, allowing an unauthenticated attacker that can connect to Icinga 2 to update both the own certificate as well as the trusted CA certificate. Updating...

Missing Authorization

Overview mcp-memory-service is an Open-source persistent memory for AI agent pipelines and Claude. REST API + semantic search + knowledge graph + autonomous consolidation. Self-host, zero cloud cost. Affected versions of this package are vulnerable to Missing Authorization through the tools/call...

Malicious code in tailwindcss-effector (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4780f88b1924c1d5104a4ea18803a0180e9339e5c9a9bf787f9ed4901e1729e3 src/index.js appends a heavily obfuscated async IIFE after a legitimate-looking TailwindCSS plugin. On import, the IIFE issues HTTPS requests to remo...

MAL-2026-6472 Malicious code in tailwindcss-effector (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4780f88b1924c1d5104a4ea18803a0180e9339e5c9a9bf787f9ed4901e1729e3 src/index.js appends a heavily obfuscated async IIFE after a legitimate-looking TailwindCSS plugin. On import, the IIFE issues HTTPS requests to remo...