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CVE-2026-91150

🗓️ 11 Nov 2026 18:38:12Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 13 Views

Unauthenticated remote DoS in Cockpit cockpit-ws via unbounded fragmented WebSocket messages.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-91150
11 Nov 202619:26
–circl
cvelist
Cvelist
CVE-2026-91150 Cockpit: cockpit: denial of service via unbounded fragmented websocket messages
11 Nov 202618:38
–cvelist
debiancve
Debian CVE
CVE-2026-91150
10 Nov 202622:49
–debiancve
euvd
EUVD
EUVD-2026-123707
11 Nov 202618:38
–euvd
nvd
NVD
CVE-2026-91150
11 Nov 202619:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-91150
11 Nov 202619:17
–osv_debian
ptsecurity
Positive Technologies
PT-2026-145437
11 Nov 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-91150: Red Hat: A flaw was found in Cockpit
11 Nov 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-91150
11 Nov 202618:38
–redhatcve
redhat
RedHat Linux
Important: Red Hat Security Advisory: cockpit security update
12 Nov 202611:44
–redhat
Rows per page
Vulners
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:366.1.1-1.el10_3",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.3"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:310.10.2-1.el8_10",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8::baseos"
    ]
  },
  {
    "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:rhel_els:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a: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": "affected",
    "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": "affected",
    "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": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift_devspaces:3"
    ]
  }
]

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12 Nov 2026 12:18Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
13