CVE-2026-75856: Codewhale Mcp Stdio Spawn Toctou

MCP stdio process spawn checks authority on disk but spawns Command with raw path arguments without preparing bound, verified launch handles, introducing a TOCTOU race.

Provally CuratedPublic repositoryHighMedium confidenceVerifiedApache-2.0Rust
greprules fetch cve-2026-75856-codewhale-mcp-stdio-spawn-toctou --engine opengrep

Description

MCP stdio process spawn checks authority on disk but spawns Command with raw path arguments without preparing bound, verified launch handles, introducing a TOCTOU race.