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Ml-metdata: bundled grpc 1.46.3 (2022) with published http/2 dos cves — directly reachable on listener

Type: advisorySource: Official CVE List1 source record

A flaw was found in ml-metadata. The statically-linked gRPC stack in ml-metadata is outdated, making it vulnerable to known HTTP/2 denial of service (DoS) issues. An in-cluster attacker, with network access to the MLMD pod, could exploit these vulnerabilities by sending specially crafted HTTP/2 requests. This could lead to a denial of service by crashing the MLMD pod, disrupting all pipeline runs in the affected namespace.

Announced Source revision 1
Original source ↗

CVE-2026-18618

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-2026-18618

Red Hat OpenShift AI 2.25

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 AI 3.3

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 AI 3.4

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 AI 3.4

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 AI 3.5

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 AI 3.5

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

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "cpes": [
      "cpe:/a:redhat:openshift_ai:2.25::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift AI 2.25",
    "versions": [
      {
        "status": "unaffected",
        "version": "1785260280",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "rhoai/odh-mlmd-grpc-server-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift_ai:3.3::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift AI 3.3",
    "versions": [
      {
        "status": "unaffected",
        "version": "1785262015",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "rhoai/odh-mlmd-grpc-server-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift_ai:3.4::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift AI 3.4",
    "versions": [
      {
        "status": "unaffected",
        "version": "1785269945",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "rhoai/odh-mlmd-grpc-server-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift_ai:3.4::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift AI 3.4",
    "versions": [
      {
        "status": "unaffected",
        "version": "1791865241",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "rhoai/odh-mlmd-grpc-server-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift_ai:3.5::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift AI 3.5",
    "versions": [
      {
        "status": "unaffected",
        "version": "1786552271",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "rhoai/odh-latency-predictor-prediction-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift_ai:3.5::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift AI 3.5",
    "versions": [
      {
        "status": "unaffected",
        "version": "1786552250",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "rhoai/odh-latency-predictor-training-rhel9",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-18618

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#38801 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement