
CVE catalog
CVE-2026-7309
A flaw was found in the OpenShift Container Platform…
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.
- Severity
- Medium · CVSS 4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.18% · Oct 27, 2026
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
Version impact has not been established. The original provider fields are retained below.
Provider details and historical evidence
Original provider fields
{
"package_releases": [],
"fixed_versions": [],
"distribution_packages": [
{
"name": "openshift_container_platform",
"ecosystem": "cpe",
"fixed_version": ""
},
{
"name": "openshift_container_platform",
"ranges": [],
"ecosystem": "cpe",
"fixed_version": "",
"provider_record_id": "NVD-CVE-2026-7309"
}
]
}OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
Observed:
References
- [https://access.redhat.com/security/cve/CVE-2026-7309]
- [https://bugzilla.redhat.com/show_bug.cgi?id=2463451]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-7309]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7309.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1302.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]