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CVE-2026-49329

🗓️ 01 Sep 2026 15:30:57Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 35 Views

Quadratic DoS in OpenShift oauth-server via Accept-Language underscore bypass on login endpoints.

Related
Detection
Affected
Refs
Vulners
Node
OR
redhatopenshiftMatch4.19el9
redhatopenshiftMatch4.20el9
redhatopenshiftMatch4.21el9
redhatopenshiftMatch4.22el9
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.19",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "openshift4/ose-oauth-server-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1790611633",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.19::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.20",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "openshift4/ose-oauth-server-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1790702087",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.20::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.21",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "openshift4/ose-oauth-server-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1790707106",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.21::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.22",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "openshift4/ose-oauth-server-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "1790713150",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.22::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift4/ose-oauth-server-rhel8",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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07 Oct 2026 15:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00846
SSVC
35