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CVE-2026-76337

Estado: AnalizadaMedia (5.3)—

In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, an unauthenticated user could read JavaScript files outside the Splunk Web static directory. The vulnerability is possible because Splunk Web does not restrict static file requests to the configured static directory.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Splunk — Splunk

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-76337",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-76337",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-26T15:17:45.563769Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@cisco.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@cisco.com",
      "affectedData": [
        {
          "vendor": "Splunk",
          "product": "Splunk Enterprise",
          "versions": [
            {
              "status": "affected",
              "version": "10.4",
              "lessThan": "10.4.2",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "10.2",
              "lessThan": "10.2.6",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "10.0",
              "lessThan": "10.0.9",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "9.4",
              "lessThan": "9.4.14",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-08-19T22:17:18.233",
  "references": [
    {
      "url": "https://advisory.splunk.com/advisories/SVD-2026-0801",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@cisco.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Splunk Enterprise versions below 10.4.2, 10.2.6, 10.0.9, and 9.4.14, an unauthenticated user could read JavaScript files outside the Splunk Web static directory. The vulnerability is possible because Splunk Web does not restrict static file requests to the configured static directory."
    }
  ],
  "lastModified": "2026-08-26T16:16:40.367",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E180CC4C-5B8B-4D69-8535-93DCF3510119",
              "versionEndExcluding": "9.4.14",
              "versionStartIncluding": "9.4.0"
            },
            {
              "criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0FD75354-A6EE-49F9-9B8A-31287A845CFB",
              "versionEndExcluding": "10.0.9",
              "versionStartIncluding": "10.0.0"
            },
            {
              "criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C8FDA841-04BC-404C-B56D-7869CBD8B56C",
              "versionEndExcluding": "10.2.6",
              "versionStartIncluding": "10.2.0"
            },
            {
              "criteria": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "209C1DE6-893D-424D-B103-B64A314AD8DC",
              "versionEndExcluding": "10.4.2",
              "versionStartIncluding": "10.4.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@cisco.com"
}