FKIE_CVE-2026-14373

Vulnerability from fkie_nvd - Published: 2026-07-08 20:16 - Updated: 2026-07-09 16:29
Severity
7.7 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Summary
HashiCorp Nomad and Nomad Enterprise did not enforce the allow_privileged restriction for the Docker task driver's host namespace mode options. This may allow an authenticated job submitter to run a container in a host namespace and access information belonging to the host or to other workloads on the same client. This vulnerability, CVE-2026-14373, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14.
References
security@hashicorp.comhttps://discuss.hashicorp.com/t/hcsec-2026-19-nomad-docker-driver-vulnerable-to-host-namespace-bypass-on-linux/77557
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "64 bit",
            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
          ],
          "product": "Nomad",
          "repo": "https://github.com/hashicorp/nomad",
          "vendor": "HashiCorp",
          "versions": [
            {
              "lessThan": "2.0.4",
              "status": "affected",
              "version": "0.4.1",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "64 bit",
            "32 bit",
            "x86",
            "ARM",
            "MacOS",
            "Windows",
            "Linux"
          ],
          "product": "Nomad Enterprise",
          "repo": "https://github.com/hashicorp/nomad",
          "vendor": "HashiCorp",
          "versions": [
            {
              "changes": [
                {
                  "at": "1.11.8",
                  "status": "unaffected"
                },
                {
                  "at": "1.10.14",
                  "status": "unaffected"
                }
              ],
              "lessThan": "2.0.4",
              "status": "affected",
              "version": "0.4.1",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@hashicorp.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "HashiCorp Nomad and Nomad Enterprise did not enforce the allow_privileged restriction for the Docker task driver\u0027s host namespace mode options. This may allow an authenticated job submitter to run a container in a host namespace and access information belonging to the host or to other workloads on the same client. This vulnerability, CVE-2026-14373, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14."
    }
  ],
  "id": "CVE-2026-14373",
  "lastModified": "2026-07-09T16:29:14.203",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.7,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 4.0,
        "source": "security@hashicorp.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-14373",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-07-08T20:37:33.792550Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-07-08T20:16:48.080",
  "references": [
    {
      "source": "security@hashicorp.com",
      "url": "https://discuss.hashicorp.com/t/hcsec-2026-19-nomad-docker-driver-vulnerable-to-host-namespace-bypass-on-linux/77557"
    }
  ],
  "sourceIdentifier": "security@hashicorp.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "security@hashicorp.com",
      "type": "Secondary"
    }
  ]
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.