Vulnerability Details CVE-2026-7309
A flaw was found in the OpenShift Container Platform build system. A user with the `edit` ClusterRole can inject arbitrary environment variables, such as `LD_PRELOAD` or `http_proxy`, into `docker-build` containers through the `buildconfigs/instantiate` API. This incomplete fix for a previous vulnerability allows for information disclosure, specifically impacting the confidentiality of build traffic.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 9.1%
CVSS Severity
CVSS v3 Score 4.3
References
Products affected by CVE-2026-7309
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cpe:2.3:a:redhat:openshift_container_platform:4.0