CVE-2019-1003018: Jenkins GitHub OAuth

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

An exposure of sensitive information vulnerability exists in Jenkins GitHub Authentication Plugin 0.29 and earlier in GithubSecurityRealm/config.jelly that allows attackers able to view a Jenkins administrator's web browser output, or control the browser (e.g. malicious extension) to retrieve the configured client secret.

Affected products

• Jenkins GitHub OAuth: up to and including 0.29

Published 2019-02-06. Last modified 2026-06-17.