---
id: CVE-2026-1784
title: >-
  The Route OpenShift resource allows to define routes to make pods reachable at
  a subdomain through HAProxy
summary: >-
  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
  contro…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-15
vendor: redhat
product: openshift_container_platform
affected:
  - openshift_container_platform = 4.0
published: '2026-06-02'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T13:17:37.847'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-1784'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2026:23241'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:23246'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:25045'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:25182'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:25194'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:26543'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:28893'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:28964'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2026-1784'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2436075'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:23241'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:23246'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:25045'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:25182'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:25194'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:26543'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:28893'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/errata/RHSA-2026:28964'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://access.redhat.com/security/cve/CVE-2026-1784'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2436075'
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1784.json
    label: 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-06-02T12:20:08.030702Z'
epss: 0.00194
epssPercentile: 0.09375
ingestedAt: '2026-07-19T08:30:38.719Z'
---

## Overview

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.

## Affected

- `openshift_container_platform = 4.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
