High

Ose-cluster-ingress-operator: remote code execution through haproxy configuration injection

Type: advisorySource: Official CVE List1 source record

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.

Announced 2 Jun 2026Source revision 1

Original source ↗

CVE-2026-1784

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-1784

Red Hat OpenShift Container Platform 4.12

Source reference: /containers/cna/affected/0/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.13

Source reference: /containers/cna/affected/1/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.14

Source reference: /containers/cna/affected/2/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.15

Source reference: /containers/cna/affected/3/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.16

Source reference: /containers/cna/affected/4/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.18

Source reference: /containers/cna/affected/5/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.19

Source reference: /containers/cna/affected/6/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.20

Source reference: /containers/cna/affected/7/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.21

Source reference: /containers/cna/affected/8/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.12::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.12",
    "versions": [
      {
        "status": "unaffected",
        "version": "1789911929",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift4/ose-cluster-ingress-operator",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.13::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.13",
    "versions": [
      {
        "status": "unaffected",
        "version": "1781123014",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift4/ose-cluster-ingress-operator",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.14::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.14",
    "versions": [
      {
        "status": "unaffected",
        "version": "1781870101",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift4/ose-cluster-ingress-operator",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.15::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.15",
    "versions": [
      {
        "status": "unaffected",
        "version": "1781928857",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift4/ose-cluster-ingress-rhel9-operator",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.16::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.16",
    "versions": [
      {
        "status": "unaffected",
        "version": "1780962617",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift4/ose-cluster-ingress-rhel9-operator",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.18::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.18",
    "versions": [
      {
        "status": "unaffected",
        "version": "1780988280",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift4/ose-cluster-ingress-rhel9-operator",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.19::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.19",
    "versions": [
      {
        "status": "unaffected",
        "version": "1780043338",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift4/ose-cluster-ingress-rhel9-operator",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.20::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.20",
    "versions": [
      {
        "status": "unaffected",
        "version": "1780990977",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift4/ose-cluster-ingress-rhel9-operator",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.21::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.21",
    "versions": [
      {
        "status": "unaffected",
        "version": "1780444348",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "openshift4/ose-cluster-ingress-rhel9-operator",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  }
]

Related CVEs: CVE-2026-1784
Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event: #5696 · Revision 1
Added to Heist Feed: Sat, 24 Oct 2026 22:12:57 GMT
Publisher date: Tue, 02 Jun 2026 07:22:26 GMT

Read the original announcement