A vulnerability, which was classified as critical, was found in geldata gel-mcp 0.1.0. This impacts the function list_rules/fetch_rule of the file src/gel_mcp/server.py. The manipulation of the argument rule_name results in path traversal.

This vulnerability was named CVE-2026-7403. The attack may be performed from remote. In addition, an exploit is available.

The project was informed of the problem early through an issue report but has not responded yet.