CVE-2026-7403 geldata gel-mcp server.py fetch_rule path traversal

A security flaw has been discovered in geldata gel-mcp 0.1.0. This impacts the function listrules/fetchrule of the file src/gelmcp/server.py. The manipulation of the argument rulename results in path traversal. The attack may be performed from remote. The exploit has been released to the public a...