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CVE-2026-4631

🗓️ 07 Apr 2026 16:30:28Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 367 Views🌐 WEB

CVE-2026-4631 enables unauthenticated remote code execution in Cockpit via secure shell argument injection during login.

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Detection
Affected
Refs
Paths
Vulners
Vulnrichment
Node
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:344-3.el10_1",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:334.1-3.el10_0",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux_eus:10.0"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:344-2.el9_7",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream",
      "cpe:/o:redhat:enterprise_linux:9::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:344-2.el9_7",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream",
      "cpe:/o:redhat:enterprise_linux:9::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.6 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:334.2-2.el9_6",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_eus:9.6::appstream",
      "cpe:/o:redhat:rhel_eus:9.6::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "cockpit",
    "defaultStatus": "unaffected",
    "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": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  }
]
ParameterPositionPathDescriptionCWE
cockpit+=-oProxyCommand={encoded_cmd}pathcockpit+=-oProxyCommand={encoded_cmd}/loginHTTP path injection used to inject SSH options via ProxyCommand, enabling remote code executionCWE-78
/loginpathcockpit+=-oProxyCommand={encoded_cmd}/loginHTTP path injection used to inject SSH options via ProxyCommand, enabling remote code executionCWE-78
cockpit+={ssh_host}pathcockpit+={ssh_host}/loginURL path manipulation to inject SSH host for login flow exploiting SSH argument injectionCWE-78
/loginpathcockpit+={ssh_host}/loginURL path manipulation to inject SSH host for login flow exploiting SSH argument injectionCWE-78

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04 Aug 2026 11:22Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.19.8
EPSS0.1548
SSVC
367