{
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        "providerMetadata": {
          "dateUpdated": "2026-10-26T23:10:47.018Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "http://www.openwall.com/lists/oss-security/2026/09/23/36"
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        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Kubernetes",
          "vendor": "Kubernetes",
          "versions": [
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              "lessThanOrEqual": "v1.34.11",
              "status": "affected",
              "version": "v1.34.0",
              "versionType": "custom"
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              "version": "v1.37.0",
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      "credits": [
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          "lang": "en",
          "type": "finder",
          "value": "Kubernetes Third-Party Security Audit subproject, OSTIF, and Shielder"
        }
      ],
      "descriptions": [
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          "lang": "en",
          "supportingMedia": [
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              "value": "An NTLM coercion vulnerability exists on Windows nodes when the subPath supplied in a pod\u0027s volumeMounts is set to a symbolic link that points to an attacker-controlled network share. When a kubelet resolves symlinks, it does not reject a target that resolves to a UNC path. As a result, the kubelet will transparently attempt to authenticate to the share using NTLM.\u003cbr\u003e\u003cbr\u003eThis allows an attacker to obtain the NetNTLMv2 hash of the account under which the kubelet is running. An attacker could then attempt to crack the hash to retrieve the corresponding password or relay it to impersonate the node, if the node is domain-joined."
            }
          ],
          "value": "An NTLM coercion vulnerability exists on Windows nodes when the subPath supplied in a pod\u0027s volumeMounts is set to a symbolic link that points to an attacker-controlled network share. When a kubelet resolves symlinks, it does not reject a target that resolves to a UNC path. As a result, the kubelet will transparently attempt to authenticate to the share using NTLM. This allows an attacker to obtain the NetNTLMv2 hash of the account under which the kubelet is running. An attacker could then attempt to crack the hash to retrieve the corresponding password or relay it to impersonate the node, if the node is domain-joined."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-132",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-132 Symlink Attack"
            }
          ]
        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
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              "value": "GENERAL"
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-59",
              "description": "CWE-59 Improper Link Resolution Before File Access (\u0027Link Following\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-26T22:29:23.944Z",
        "orgId": "a6081bf6-c852-4425-ad4f-a67919267565",
        "shortName": "kubernetes"
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      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/kubernetes/kubernetes/issues/142098"
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          "tags": [
            "mailing-list"
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          "url": "https://groups.google.com/g/kubernetes-security-announce/c/Wkv04IFzW8g"
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      ],
      "solutions": [
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          "lang": "en",
          "supportingMedia": [
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              "value": "To mitigate this vulnerability, upgrade Kubernetes: \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/\"\u003ehttps://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/\u003c/a\u003e\u003cbr\u003e"
            }
          ],
          "value": "To mitigate this vulnerability, upgrade Kubernetes: https://kubernetes.io/docs/tasks/administer-cluster/cluster-upgrade/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Subpath symlinking on Windows nodes permits NTLM coercion",
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  "cveMetadata": {
    "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565",
    "assignerShortName": "kubernetes",
    "cveId": "CVE-2026-76654",
    "datePublished": "2026-10-26T22:29:23.944Z",
    "dateReserved": "2026-08-19T15:51:12.670Z",
    "dateUpdated": "2026-10-26T23:10:47.018Z",
    "state": "PUBLISHED"
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}