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CVE-2026-76235 Cockpit-ws: cockpit: cockpit-ws: unauthenticated remote memory leak via cockpitlang cookie in send_login_html

🗓️ 19 Aug 2026 12:44:55Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 50 Views

cockpit-ws send_login_html leaks heap memory on every unauthenticated CockpitLang cookie request, causing DoS.

Related
Affected
Refs
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Dev Spaces",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "devspaces/udi-base-rhel10",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift_devspaces:3"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Dev Spaces",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "devspaces/udi-base-rhel9",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift_devspaces:3"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Dev Spaces",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "devspaces/udi-rhel9",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift_devspaces:3"
    ]
  }
]

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