CVE-2026-114386

The Pydantic AI Harness (versions before 0.59.0 ) contains a vulnerability in the CodeMode toolset where it fails to enforce UsageLimits.tool_calls_limit on nested tool calls. Specifically, when run_code is used, the sandboxed program can invoke tools via run_nested_call() without triggering the ...

EUVD-2026-107233

Pydantic AI Harness before 0.59.0 fails to enforce UsageLimits.toolcallslimit on nested tool calls dispatched from runcode in the CodeMode toolset. Users or prompt-injected content can make the sandboxed program invoke tools via runnestedcall without checkbeforetoolcall, exceeding operator limits...