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",
"severity": "CRITICAL",
"github_reviewed_at": "2024-01-30T23:56:00Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-74"
]
}