{
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    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-27878",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-22T17:09:51.414285Z",
                "version": "2.0.3"
              },
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            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-400",
                "description": "CWE-400 Uncontrolled Resource Consumption",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-23T12:14:04.829Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Enterprise Traces (GET)",
          "vendor": "Grafana",
          "versions": [
            {
              "lessThan": "2.8.8",
              "status": "affected",
              "version": "2.6.1",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Tempo",
          "vendor": "Grafana",
          "versions": [
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              "status": "affected",
              "version": "2.6.0",
              "versionType": "semver"
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        }
      ],
      "datePublic": "2026-03-23T19:28:24.658Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A TraceQL query in Grafana Tempo with a large exemplars hint value can cause the Tempo instance to allocate an excessive amount of memory, resulting in an out-of-memory crash. This could allow an authenticated user to trigger a denial of service against the Tempo service."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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      "providerMetadata": {
        "dateUpdated": "2026-06-22T16:31:13.910Z",
        "orgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da",
        "shortName": "GRAFANA"
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      "references": [
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          "tags": [
            "vendor-advisory"
          ],
          "url": "https://grafana.com/security/security-advisories/cve-2026-27878"
        }
      ],
      "source": {
        "discovery": "INTERNAL_FINDING"
      },
      "title": "Tempo TraceQL query with exemplar hint could result in unbounded memory usage",
      "x_generator": {
        "engine": "cvelib 1.8.0"
      }
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  "cveMetadata": {
    "assignerOrgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da",
    "assignerShortName": "GRAFANA",
    "cveId": "CVE-2026-27878",
    "datePublished": "2026-06-19T19:02:27.028Z",
    "dateReserved": "2026-02-24T14:30:17.726Z",
    "dateUpdated": "2026-06-23T12:14:04.829Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}