Ansible 2.5 prior to 2.5.5, and 2.4 prior to 2.4.5, do not honor the no_log task flag for failed tasks. When the no_log flag has been used to protect sensitive data passed to a task from being logged, and that task does not run successfully, Ansible will expose sensitive data in log files and on the terminal of the user running Ansible.

Affected Packages

PyPI ansible

Affected versions: 2.5.0a1 (fixed in 2.5.5)

PyPI ansible

Affected versions: 2.4.0.0 (fixed in 2.4.5.0)

Related CVEs

CVE-2018-10855

Key Information

GHSA ID

GHSA-jwcc-j78w-j73w

Published

October 10, 2018 5:23 PM

Last Modified

November 18, 2024 4:26 PM

CVSS Score

7.5 /10

Primary Ecosystem

PyPI

Primary Package

ansible

GitHub Reviewed

✓ Yes

Dataset

Last updated: September 16, 2025 6:29 AM

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