CVE-2026-7309

MEDIUM

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/28/2026

Last Modified4/28/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-426

References

https://access.redhat.com/security/cve/CVE-2026-7309(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2463451(secalert@redhat.com)

IOC Correlations

No correlations recorded

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