CVE-2026-39313

mcp-framework is a framework for building Model Context Protocol MCP servers. In versions 0.2.21 and below, the readRequestBody function in the HTTP transport concatenates request body chunks into a string with no size limit. Although a maxMessageSize configuration value exists, it is never...

Partial String Comparison

Overview flowise-components is a Flowiseai Components Affected versions of this package are vulnerable to Partial String Comparison due to the replaceInputsWithConfig logic in packages/server/src/utils/index.ts. An attacker can override flow parameters by supplying a crafted override configuratio...

CVE-2026-39313 MCP-Framework: Unbounded memory allocation in readRequestBody allows denial of service via HTTP transport

mcp-framework is a framework for building Model Context Protocol MCP servers. In versions 0.2.21 and below, the readRequestBody function in the HTTP transport concatenates request body chunks into a string with no size limit. Although a maxMessageSize configuration value exists, it is never...

Flowise: Authenticated RCE Via MCP Adapters

Summary Due to unsafe serialization of stdio commands in the MCP adapter, an authenticated attacker can add an MCP stdio server with an arbitrary command, achieving command execution. Details The vulnerability lies in a bug in the input sanitization from the “Custom MCP” configuration in...

GHSA-C9GW-HVQQ-F33R Flowise: Authenticated RCE Via MCP Adapters

Summary Due to unsafe serialization of stdio commands in the MCP adapter, an authenticated attacker can add an MCP stdio server with an arbitrary command, achieving command execution. Details The vulnerability lies in a bug in the input sanitization from the “Custom MCP” configuration in...

EUVD-2026-23300

MCP-Framework: Unbounded memory allocation in readRequestBody allows denial of service via HTTP transport...

@aumoai/mcp-data-analyst (>=0.1.0, <=0.2.8), @geobio/code_execution_server (>=0.2.0, <=0.2.1) +35 more potentially affected by CVE-2026-39313 via mcp-framework (>=0.1.27, <=0.2.15)

mcp-framework NPM version =0.1.27, =0.1.0, =0.2.0, =1.0.11, =0.2.0, =0.2.0, =0.0.1, =0.0.4 and more Source cves: CVE-2026-39313 Source advisory: SNYK:JS-MCPFRAMEWORK-16420257...

@aumoai/mcp-data-analyst (>=0.1.0, <=0.2.8), @geobio/code_execution_server (>=0.2.0, <=0.2.1) +35 more potentially affected by CVE-2026-39313 via mcp-framework (>=0.1.27, <=0.2.15)

mcp-framework NPM version =0.1.27, =0.1.0, =0.2.0, =1.0.11, =0.2.0, =0.2.0, =0.0.1, =0.0.4 and more Source cves: CVE-2026-39313 Source advisory: OSV:GHSA-353C-V8X9-V7C3...

MCP-Framework: Unbounded memory allocation in readRequestBody allows denial of service via HTTP transport

Summary The readRequestBody function in src/transports/http/server.ts concatenates HTTP request body chunks into a string with no size limit, allowing a remote unauthenticated attacker to crash the server via memory exhaustion with a single large HTTP POST request. Details File:...

Allocation of Resources Without Limits or Throttling

Overview mcp-framework is a Framework for building Model Context Protocol MCP servers in Typescript Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the readRequestBody function. An attacker can exhaust system memory and cause a server...

ffensive-playbook

HackTheBox — Writeups Collection A collection of HackTheBox m...

ofensive-playbook

HackTheBox — Writeups Collection A collection of HackTheBox m...

CVE-2026-39313: Allocation of Resources Without Limits or Throttling

mcp-framework is a framework for building Model Context Protocol MCP servers. In versions 0.2.21 and below, the readRequestBody function in the HTTP transport concatenates request body chunks into a string with no size limit. Although a maxMessageSize configuration value exists, it is never...

The vulnerability of the server for automating work processes in n8n-MCP, related to insufficient validation of requests on the server side, allows attackers to influence the integrity and accessibility of protected information.

The vulnerability of the n8n-MCP server for automating processes is related to insufficient validation of requests on the server side. Exploiting this vulnerability allows a remote attacker to compromise the integrity and accessibility of protected information...

EUVD-2026-22945

Upsonic 0.71.6 contains a remote code execution vulnerability in its MCP server/task creation functionality. The application allows users to define MCP tasks with arbitrary command and args values. Although an allowlist exists, certain allowed commands npm, npx accept argument flags that enable...

CVE-2026-30615

A prompt injection vulnerability in Windsurf 1.9544.26 allows remote attackers to execute arbitrary commands on a victim system. When Windsurf processes attacker-controlled HTML content, malicious instructions can cause unauthorized modification of the local MCP configuration and automatic...

CVE-2026-30616

Jaaz 1.0.30 contains a remote code execution vulnerability in its MCP STDIO command execution handling. A remote attacker can send crafted network requests to the network-accessible Jaaz application, causing attacker-controlled commands to be executed on the server. Successful exploitation result...

CVE-2026-30625

Upsonic 0.71.6 contains a remote code execution vulnerability in its MCP server/task creation functionality. The application allows users to define MCP tasks with arbitrary command and args values. Although an allowlist exists, certain allowed commands npm, npx accept argument flags that enable...

CVE-2026-20205

In Splunk MCP Server app versions below 1.0.3 , a user who holds a role with access to the Splunk internal index or possesses the high-privilege capability mcptooladmin could view users session and authorization tokens in clear text.The vulnerability would require either local access to the log...

CVE-2026-20205 Sensitive Information Disclosure in ''_internal'' index in Splunk MCP Server app

In Splunk MCP Server app versions below 1.0.3 , a user who holds a role with access to the Splunk internal index or possesses the high-privilege capability mcptooladmin could view users session and authorization tokens in clear text.The vulnerability would require either local access to the log...