CVE-2026-1784

The Route OpenShift resource allows to define routes to make pods reachable at a subdomain through HAProxy. It was found that the checks performed on the spec.path YAML stanza in a Route document was insufficient and could allow a controlled injection of the HAProxy configuration.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:23241
https://access.redhat.com/errata/RHSA-2026:23246
https://access.redhat.com/errata/RHSA-2026:25045
https://access.redhat.com/errata/RHSA-2026:25182
https://access.redhat.com/errata/RHSA-2026:25194
https://access.redhat.com/errata/RHSA-2026:26543
https://access.redhat.com/errata/RHSA-2026:28893
https://access.redhat.com/errata/RHSA-2026:28964
https://access.redhat.com/errata/RHSA-2026:70647
https://access.redhat.com/security/cve/CVE-2026-1784	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2436075	Issue Tracking Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:23241
https://access.redhat.com/errata/RHSA-2026:23246
https://access.redhat.com/errata/RHSA-2026:25045
https://access.redhat.com/errata/RHSA-2026:25182
https://access.redhat.com/errata/RHSA-2026:25194
https://access.redhat.com/errata/RHSA-2026:26543
https://access.redhat.com/errata/RHSA-2026:28893
https://access.redhat.com/errata/RHSA-2026:28964
https://access.redhat.com/security/cve/CVE-2026-1784	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2436075	Issue Tracking Vendor Advisory
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1784.json

Configurations

Configuration 1 (hide)

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

History

01 Oct 2026, 17:17

Type	Values Removed	Values Added
References		() https://access.redhat.com/errata/RHSA-2026:70647 -

Information

Published : 2026-06-02 09:16

Updated : 2026-10-01 17:17

NVD link : CVE-2026-1784

Mitre link : CVE-2026-1784

CVE.ORG link : CVE-2026-1784

JSON object : View

Products Affected

redhat

openshift_container_platform

CWE

CWE-15

External Control of System or Configuration Setting

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It was found that the checks performed on the spec.path YAML stanza in a Route document was insufficient and could allow a controlled injection of the HAProxy configuration."}, {"lang": "es", "value": "El recurso Route de OpenShift permite definir rutas para que los pods sean accesibles en un subdominio a trav\u00e9s de HAProxy. Se encontr\u00f3 que las comprobaciones realizadas en la estrofa YAML spec.path en un documento Route eran insuficientes y podr\u00edan permitir una inyecci\u00f3n controlada de la configuraci\u00f3n de HAProxy."}], "lastModified": "2026-10-01T17:17:22.817", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "932D137F-528B-4526-9A89-CD59FA1AB0FE"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}