A flaw was found in Ansible, where a user's controller is vulnerable to template injection. This issue can occur through facts used in the template if the user is trying to put templates in multi-line YAML strings and the facts being handled do not routinely include special template characters. This flaw allows attackers to perform command injection, which discloses sensitive information. The highest threat from this vulnerability is to confidentiality and integrity.

Affected Packages

PyPI ansible

Affected versions: 0 (fixed in 2.9.23rc1)

PyPI ansible

Affected versions: 2.10.0a1 (fixed in 2.10.11rc1)

PyPI ansible

Affected versions: 2.11.0a1 (fixed in 2.11.2rc1)

Related CVEs

CVE-2021-3583

Key Information

GHSA ID

GHSA-2pfh-q76x-gwvm

Published

September 23, 2021 11:16 PM

Last Modified

September 6, 2024 5:47 PM

CVSS Score

7.5 /10

Primary Ecosystem

PyPI

Primary Package

ansible

GitHub Reviewed

✓ Yes

Dataset

Last updated: August 2, 2025 6:46 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.