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CVE-2026-12139

Full vulnerability record from the local CVENow database.

Description

Tanium addressed an information disclosure vulnerability in Connect.

Severity
MEDIUM
CVSS score
5.5 (v3.1)
Vulnerability status
Analyzed
Source identifier
3938794e-25f5-4123-a1ba-5cbd7f104512
Published
2026-07-21 21:16:48.937000
Last modified
2026-10-24 19:10:00.127000
View original CVE JSON
{
  "id": "CVE-2026-12139",
  "sourceIdentifier": "3938794e-25f5-4123-a1ba-5cbd7f104512",
  "published": "2026-07-21T21:16:48.937",
  "lastModified": "2026-10-24T19:10:00.127",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Tanium addressed an information disclosure vulnerability in Connect."
    },
    {
      "lang": "es",
      "value": "Tanium abordó una vulnerabilidad de revelación de información en Connect."
    }
  ],
  "affected": [
    {
      "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
      "affectedData": [
        {
          "vendor": "Tanium",
          "product": "Connect",
          "versions": [
            {
              "version": "5.29.251",
              "lessThan": "5.29.251",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "5.37.156",
              "lessThan": "5.37.156",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "5.47.112",
              "lessThan": "5.47.112",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 3.6
      },
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-22T19:31:53.823237Z",
          "id": "CVE-2026-12139",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-214"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:tanium:connect:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.29.0",
              "versionEndExcluding": "5.29.251",
              "matchCriteriaId": "4347F9C4-3B85-40BD-9C41-545F795D4B99"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:tanium:connect:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.37.0",
              "versionEndExcluding": "5.37.156",
              "matchCriteriaId": "253A24F4-AD37-4037-968F-9EC578CD8A54"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:tanium:connect:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.47.0",
              "versionEndExcluding": "5.47.112",
              "matchCriteriaId": "E0C3C0E9-E904-4804-BAD3-2E7B10BD444A"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://security.tanium.com/TAN-2026-018",
      "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}