CVE-2026-7309

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

4.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://access.redhat.com/security/cve/CVE-2026-7309 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2463451 Issue Tracking Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
History

07 May 2026, 02:16

Type Values Removed Values Added
First Time Redhat
Redhat openshift Container Platform
CPE cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
References () https://access.redhat.com/security/cve/CVE-2026-7309 - () https://access.redhat.com/security/cve/CVE-2026-7309 - Vendor Advisory
References () https://bugzilla.redhat.com/show_bug.cgi?id=2463451 - () https://bugzilla.redhat.com/show_bug.cgi?id=2463451 - Issue Tracking, Vendor Advisory

28 Apr 2026, 13:19

Type Values Removed Values Added
New CVE
Information

Published : 2026-04-28 13:19

Updated : 2026-05-07 02:16

NVD link : CVE-2026-7309

Mitre link : CVE-2026-7309

CVE.ORG link : CVE-2026-7309

JSON object : View

Products Affected

redhat

  • openshift_container_platform
CWE
CWE-426

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