Jenkins Ansible Plugin man in the middle vulnerability

MEDIUM 5.6CVE-2018-1000149 · GHSA-322x-jv5h-cvjh · Published 05/04/2018 · updated 17/06/2026

In short

CVE-2018-1000149 is a MEDIUM (CVSS 5.6) vulnerability affecting org.jenkins-ci.plugins:ansible, ansible (jenkins).
Chance of exploitation in the next 30 days (EPSS): 0.70%, higher than 53.4% of all vulnerabilities.
Fix: update to 1.0 or later.

Package	Affected versions	Patched versions
org.jenkins-ci.plugins:ansible Maven	`< 1.0`	`1.0`
ansible jenkins	`≤ 0.8`	No fix yet

Description

A man in the middle vulnerability exists in Jenkins Ansible Plugin 0.8 and older in AbstractAnsibleInvocation.java, AnsibleAdHocCommandBuilder.java, AnsibleAdHocCommandInvocationTest.java, AnsibleContext.java, AnsibleJobDslExtension.java, AnsiblePlaybookBuilder.java, AnsiblePlaybookStep.java that disables host key verification by default. Ansible Plugin 1.0 now enables host key verification by default, adding options allowing users to opt out.

NVD description

A man in the middle vulnerability exists in Jenkins Ansible Plugin 0.8 and older in AbstractAnsibleInvocation.java, AnsibleAdHocCommandBuilder.java, AnsibleAdHocCommandInvocationTest.java, AnsibleContext.java, AnsibleJobDslExtension.java, AnsiblePlaybookBuilder.java, AnsiblePlaybookStep.java that disables host key verification by default.

References

nvd.nist.gov/vuln/detail/CVE-2018-1000149 · ADVISORY
jenkinsci/ansible-plugin commit 06d30e5 · WEB
jenkins.io/security/advisory/2018-03-26 · WEB

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Package

Affected versions

Patched versions

org.jenkins-ci.plugins:ansible

Maven

< 1.0

1.0

ansible

jenkins

≤ 0.8

No fix yet

Description

NVD description

More vulnerabilities in org.jenkins-ci.plugins:ansible

See all →