No exploitation reportedFix available

CVE-2016-8628

Q: Is CVE-2016-8628 actively exploited?

Active exploitation of CVE-2016-8628 has not been confirmed. Its EPSS score was 3.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2016-8628?

CVE-2016-8628 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2018-07-31
Fixed in2.2.0
WeaknessCWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Ansible before version 2.2.0 fails to properly sanitize fact variables sent from the Ansible controller. An attacker with the ability to create special variables on the controller could execute arbitrary commands on Ansible clients as the user Ansible runs as.

Timeline

dates in UTC

2018-07-3120:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-8628?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-8628?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Redhat ansible

Branch	Affected	Fixed in	Source
2.2	< 2.2.0	2.2.0	NVD

ansible

Branch	Affected	Fixed in	Source
2.2	< 2.2.0.0	2.2.0.0	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Redhat ansible to 2.2.0

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.07.6read 2026-10-23
NVDCVSS 3.09.1read 2026-10-23
NVDCVSS 2.09read 2026-10-23
CNAweakness (CWE)CWE-77read 2026-10-23
NVDweakness (CWE)CWE-77read 2026-10-23
FIRST EPSSEPSS score3.2 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Published: 2018-07-31
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-8628?

Is CVE-2016-8628 actively exploited?

Active exploitation of CVE-2016-8628 has not been confirmed. Its EPSS score was 3.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-8628?

CVE-2016-8628 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

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