CVE-2026-9156 (GCVE-0-2026-9156)

Vulnerability from cvelistv5 – Published: 2026-05-27 01:19 – Updated: 2026-05-27 13:50
VLAI?
Title
Tanium addressed a denial of service vulnerability in Tanium Server.
Summary
Tanium addressed a denial of service vulnerability in Tanium Server.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
Tanium Tanium Server Affected: 7.6.4.0 , < 7.6.4.2190 (custom)
Affected: 7.7.3.0 , < 7.7.3.8274 (custom)
Affected: 7.8.2.0 , < 7.8.2.1176 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-9156",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-27T13:50:31.230808Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-27T13:50:44.570Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Tanium Server",
          "vendor": "Tanium",
          "versions": [
            {
              "lessThan": "7.6.4.2190",
              "status": "affected",
              "version": "7.6.4.0",
              "versionType": "custom"
            },
            {
              "lessThan": "7.7.3.8274",
              "status": "affected",
              "version": "7.7.3.0",
              "versionType": "custom"
            },
            {
              "lessThan": "7.8.2.1176",
              "status": "affected",
              "version": "7.8.2.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "dateAssigned": "2026-05-21T01:21:37.531Z",
      "datePublic": "2026-05-27T01:19:03.729Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Tanium addressed a denial of service vulnerability in Tanium Server."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-772",
              "description": "Missing Release of Resource after Effective Lifetime",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-27T01:19:26.286Z",
        "orgId": "3938794e-25f5-4123-a1ba-5cbd7f104512",
        "shortName": "Tanium"
      },
      "references": [
        {
          "name": "TAN-2026-013",
          "url": "https://security.tanium.com/TAN-2026-013"
        }
      ],
      "title": "Tanium addressed a denial of service vulnerability in Tanium Server."
    }
  },
  "cveMetadata": {
    "assignerOrgId": "3938794e-25f5-4123-a1ba-5cbd7f104512",
    "assignerShortName": "Tanium",
    "cveId": "CVE-2026-9156",
    "datePublished": "2026-05-27T01:19:26.286Z",
    "dateReserved": "2026-05-21T01:21:38.154Z",
    "dateUpdated": "2026-05-27T13:50:44.570Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.