What is CVE-2026-7309?

CVE-2026-7309 is a medium-severity vulnerability in Red Hat Openshift Container Platform 4, classified under Untrusted Search Path. CVSS score: 4.3/10. Published 2026-04-28.

How severe is CVE-2026-7309?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Red Hat Openshift Container Platform 4

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 `buildconfig…

EPSS: 0.000 (9.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Red Hat Openshift Container Platform 4
Redhat Openshift_container_platform — versions 4.0

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
RHBZ#2463451 (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-7309?: CVE-2026-7309 is a medium-severity vulnerability in Red Hat Openshift Container Platform 4, classified under Untrusted Search Path. CVSS score: 4.3/10. Published 2026-04-28.
How severe is CVE-2026-7309?: Medium severity. CVSS v3 base score is 4.3 out of 10.