CVE-2026-81096: ToolUniverse sandbox escape and unauthenticated RCE
ToolUniverse's Python code executor allowed sandbox escape through dunder attribute access, and exposed HTTP/MCP servers with no authentication enabled remote code execution as the server process.
Disclosed 27 August 2026 · Record updated 13 September 2026
Impact
Unauthenticated remote code execution on exposed servers running ToolUniverse versions prior to 1.3.0.
Our coverage
No articles linked to this incident yet.
Sources
- nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-81096
