Ansible before 1.6.7 does not prevent inventory data with "{{" and "lookup" substrings, and does not prevent remote data with "{{" substrings, which allows remote attackers to execute arbitrary code via (1) crafted lookup('pipe') calls or (2) crafted Jinja2 data.
{ "nvd_published_at": "2020-02-18T15:15:00Z", "cwe_ids": [ "CWE-74" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2024-01-30T23:56:00Z" }