CVE-2026-57860 ForgeCode Arbitrary Code Execution via Unvetted .mcp.json in Untrusted Repository

ForgeCode tailcallhq/forgecode, an AI pair-programming CLI, automatically loads and executes the MCP servers defined in a repository's .mcp.json file on startup without user confirmation. A malicious repository can supply a crafted .mcp.json whose mcpServers entries specify arbitrary command and...

CVE-2026-57860

Technical details about CVE-2026-57860 are not publicly available in the provided documents. Monitor for updates.

CVE-2026-57860 ForgeCode Arbitrary Code Execution via Unvetted .mcp.json in Untrusted Repository

ForgeCode tailcallhq/forgecode, an AI pair-programming CLI, automatically loads and executes the MCP servers defined in a repository's .mcp.json file on startup without user confirmation. A malicious repository can supply a crafted .mcp.json whose mcpServers entries specify arbitrary command and...

CVE-2026-47751

Claude Code Action is a general-purpose GitHub action that runs Claude Code on GitHub pull requests and issues. Prior to 1.0.74, because the action checked out attacker-controlled pull request head branches, read .mcp.json from the working directory via default setting sources, and unconditionall...

Malicious code in 0x2ai-multi-q (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector e305b12731a6b73c8982935753b52febfa90626f5a75f6942ca154aa708594b6 Running npx 0x2ai-multi-q the package's documented invocation spawns claude --dangerously-skip-permissions and writes a .mcp.json into the user's...

PT-2026-48540

Due to the combination of checking out PR head branches attacker-controlled, reading .mcp.json from the working directory via default setting sources, and unconditionally enabling all project MCP servers via enableAllProjectMcpServers, it was possible for an attacker who opened a PR containing a...

Microsoft Visual Studio Code mcp.json Command Injection Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Visual Studio Code. User interaction is required to exploit this vulnerability in that the target open a malicious project. The specific flaw exists within the handling of mcp.json files. T...

AWS VDP: Command Injection on Amazon Q Developer CLI via malicious .amazonq/mcp.json leads to arbitrary code execution

Asset URL: https://github.com/aws/amazon-q-developer-cli/ Summary: Running Q chat from Amazon Q Developer CLI from an attacker-controlled repository/directory that contains a crafted .amazonq/mcp.json enables arbitrary command injection/execution. Amazon Q Developer CLI automatically loads and...

CVE-2025-64109

Cursor CLI Beta contains a vulnerability where uploading a malicious MCP configuration in .cursor/mcp.json in a GitHub repo can trigger remote code execution when a victim clones the project and runs Cursor CLI. The issue results from the MCP (Model Context Protocol) server mechanism executing th...