CVE-2026-18991 | nanocoai NanoClaw up to 2.0.64 send_file core.ts path traversal (Issue 2760)

A vulnerability categorized as critical has been discovered in nanocoai NanoClaw up to 2.0.64. This affects an unknown part of the file container/agent-runner/src/mcp-tools/core.ts of the component send_file. Such manipulation leads to path traversal. This vulnerability is documented as CVE-2026-18991. The attack can be executed remotely. Additionally, an exploit exists. The project was informed of the problem early through an issue report but has not responded yet.