In Mercurial before 4.1.3, "hg serve --stdio" allows remote authenticated users to launch the Python debugger, and consequently execute arbitrary code, by using --debugger as a repository name.
{ "nvd_published_at": null, "cwe_ids": [ "CWE-732" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2020-06-16T21:37:26Z" }