FKIE_CVE-2026-9156

Vulnerability from fkie_nvd - Published: 2026-05-27 02:16 - Updated: 2026-05-29 19:16
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Tanium addressed a denial of service vulnerability in Tanium Server.
References
3938794e-25f5-4123-a1ba-5cbd7f104512https://security.tanium.com/TAN-2026-013Vendor Advisory
Impacted products
Vendor Product Version
tanium server *
tanium server *
tanium server *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1B1353A9-B83C-4FC6-AF95-CB3DF455405E",
              "versionEndExcluding": "7.6.4.2190",
              "versionStartIncluding": "7.6.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "44C67EDB-B43D-4F92-A701-61E46D46C7F0",
              "versionEndExcluding": "7.7.3.8274",
              "versionStartIncluding": "7.7.3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8FAB89DE-F2CA-4CEE-AB92-3387B6D23931",
              "versionEndExcluding": "7.8.2.1176",
              "versionStartIncluding": "7.8.2.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Tanium addressed a denial of service vulnerability in Tanium Server."
    }
  ],
  "id": "CVE-2026-9156",
  "lastModified": "2026-05-29T19:16:18.533",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-05-27T02:16:35.003",
  "references": [
    {
      "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://security.tanium.com/TAN-2026-013"
    }
  ],
  "sourceIdentifier": "3938794e-25f5-4123-a1ba-5cbd7f104512",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-772"
        }
      ],
      "source": "3938794e-25f5-4123-a1ba-5cbd7f104512",
      "type": "Secondary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.