CVE-2026-15053

{
  "id": "CVE-2026-15053",
  "sourceIdentifier": "3938794e-25f5-4123-a1ba-5cbd7f104512",
  "published": "2026-07-08T14:16:56.930",
  "lastModified": "2026-10-25T20:10:00.147",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Tanium addressed a denial of service vulnerability in Tanium Server."
    },
    {
      "lang": "es",
      "value": "Tanium abordó una vulnerabilidad de denegación de servicio en Tanium Server."
    }
  ],
  "affected": [
    {
      "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
      "affectedData": [
        {
          "vendor": "Tanium",
          "product": "Tanium Server",
          "versions": [
            {
              "version": "7.7.3.8298",
              "lessThan": "7.7.3.8298",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "7.8.2.1198",
              "lessThan": "7.8.2.1198",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "7.8.4.1327",
              "lessThan": "7.8.4.1327",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-08T14:27:30.302303Z",
          "id": "CVE-2026-15053",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-789"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "7.7.3.0",
              "versionEndExcluding": "7.7.3.8298",
              "matchCriteriaId": "1705F1B3-865D-48ED-97DD-0CB058884D42"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "7.8.2.0",
              "versionEndExcluding": "7.8.2.1198",
              "matchCriteriaId": "67604599-4DCB-45C7-BBC7-A0E28B689D23"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "7.8.4.0",
              "versionEndExcluding": "7.8.4.1327",
              "matchCriteriaId": "70EA5691-3695-4F52-BFB6-EC6D99E62325"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://security.tanium.com/TAN-2026-016",
      "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}