# CVE-2026-7309

> Vulnerability · severity: **MEDIUM** (CVSS 4.3).

## Description

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.

## Key facts

- **CVE ID:** CVE-2026-7309
- **Published:** 2026-04-28
- **CVSS severity:** MEDIUM
- **CVSS base score:** 4.3
- **CWE codes:** CWE-426

## Affected products

- `redhat:openshift_container_platform`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-7309

## Citation

> AI Analytics. CVE-2026-7309. Retrieved 2026-07-19 from https://api.ai-analytics.org/cve/CVE-2026-7309. Derived from NIST NVD. Licensed CC0.

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