CVE-2026-52870 MCP Python SDK: Experimental task handlers allow any client to access and cancel other clients' tasks

The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. From 1.23.0 until 1.27.2, default handlers installed by server.experimental.enabletasks for tasks/list, tasks/get, tasks/result, and tasks/cancel operate only on task identifiers without recordin...

EUVD-2026-44796

CVE-2026-33443 is a memory management error in Secure Access servers prior to 14.55. Attackers with an intimate knowledge of and total control over the tunnel protocol can create a persistent DoS against the server...

CVE-2026-33443 Memory management error in Secure Access servers prior to 14.55

CVE-2026-33443 is a memory management error in Secure Access servers prior to 14.55. Attackers with an intimate knowledge of and total control over the tunnel protocol can create a persistent DoS against the server...

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

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-2026-40958 Input validation error in Secure Access clients prior to 14.55

CVE-2026-40958 is a input validation error in Secure Access clients prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can create a non-persistent DoS against their client...

CVE-2026-40958

CVE-2026-40958 involves an input validation error in Secure Access clients prior to 14.55. The root cause is improper input validation in the tunnel protocol handling, allowing attackers with intimate knowledge and total control of the tunnel protocol to trigger a non-persistent DoS against the c...

EUVD-2026-44793

CVE-2026-40958 is a input validation error in Secure Access clients prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can create a non-persistent DoS against their client...

CVE-2026-40958

CVE-2026-40958 is a input validation error in Secure Access clients prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can create a non-persistent DoS against their client...

EUVD-2026-44790

CVE-2026-40956 is a memory disclosure vulnerability in Secure Access client versions prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can cause a small amount of random memory to leak...

CVE-2026-40956 Memory disclosure in Secure Access Clients

CVE-2026-40956 is a memory disclosure vulnerability in Secure Access client versions prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can cause a small amount of random memory to leak...

CVE-2026-40956

CVE-2026-40956 is a memory disclosure vulnerability in Secure Access client versions prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can cause a small amount of random memory to leak...

CVE-2026-40956

CVE-2026-40956 is a memory-disclosure vulnerability in Secure Access client versions prior to 14.55. According to connected records, attackers who have intimate knowledge and total control over the tunnel protocol can cause a small amount of random memory to leak. The CVSS v4.0 score is 2.1 (LOW)...

CVE-2026-40955 Integer underflow vulnerability in Secure Access clients

CVE-2026-40955 is an integer underflow vulnerability in the traffic parsing function of Secure Access clients prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can create a non-persistent DoS against their client...

CVE-2026-40954

The CVE-2026-40954 entry describes an integer underflow in the traffic parsing function of Secure Access clients prior to 14.55. The vulnerability can be exploited by attackers with intimate knowledge of and total control over the tunnel protocol to cause a non-persistent DoS against their client...

CVE-2026-40954

CVE-2026-40954 is an integer underflow vulnerability in the traffic parsing function of Secure Access clients prior to 14.55. Attackers with intimate knowledge of and total control over the tunnel protocol can create a non-persistent DoS against their client...

CVE-2026-50124

DataEase prior to version 2.10.23 contains a remote code execution vulnerability triggered by uploading payload.zip via the Excel upload API (/datasource/upload). This creates an H2 datasource using the zip: protocol, and when the SQL dataset path is executed, CalciteProvider.jdbcFetchResultField...

CVE-2026-50124

DataEase is an open source data visualization and analysis tool. Prior to 2.10.23, DataEase can be exploited by uploading payload.zip through the Excel upload API /datasource/upload, creating an H2 datasource that uses the zip: protocol, and executing an SQL dataset path where...

CVE-2026-50124 DataEase: Remote Code Execution (RCE) via Zip Protocol & File Dropper

DataEase is an open source data visualization and analysis tool. Prior to 2.10.23, DataEase can be exploited by uploading payload.zip through the Excel upload API /datasource/upload, creating an H2 datasource that uses the zip: protocol, and executing an SQL dataset path where...