{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-20254",
        "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "state": "PUBLISHED",
        "assignerShortName": "cisco",
        "dateReserved": "2025-10-08T11:59:15.401Z",
        "datePublished": "2026-06-10T17:15:59.452Z",
        "dateUpdated": "2026-06-10T18:27:01.123Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "product": "Splunk Enterprise",
                    "vendor": "Splunk",
                    "versions": [
                        {
                            "version": "10.2",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "10.2.4"
                        },
                        {
                            "version": "10.0",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "10.0.7"
                        },
                        {
                            "version": "9.4",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "9.4.12"
                        },
                        {
                            "version": "9.3",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "9.3.13"
                        }
                    ]
                },
                {
                    "product": "Splunk Cloud Platform",
                    "vendor": "Splunk",
                    "versions": [
                        {
                            "version": "10.3.2512",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "10.3.2512.13"
                        },
                        {
                            "version": "10.2.2510",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "10.2.2510.15"
                        },
                        {
                            "version": "10.1.2507",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "10.1.2507.23"
                        },
                        {
                            "version": "9.3.2411",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "9.3.2411.132"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.13, 10.2.2510.15, 10.1.2507.23, and 9.3.2411.132, a low-privileged user that does not hold the 'admin' or 'power' Splunk roles could craft a malicious classic dashboard that exfiltrates sensitive data to an external server when a higher-privileged user views it, bypassing the external content restriction through a Cascading Style Sheets (CSS) injection.<br><br>The Trusted Domains security check does not fully validate inline style attribute values, which can allow for outbound requests to untrusted domains and credential exfiltration when a victim views a crafted dashboard."
                        }
                    ],
                    "value": "In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.13, 10.2.2510.15, 10.1.2507.23, and 9.3.2411.132, a low-privileged user that does not hold the 'admin' or 'power' Splunk roles could craft a malicious classic dashboard that exfiltrates sensitive data to an external server when a higher-privileged user views it, bypassing the external content restriction through a Cascading Style Sheets (CSS) injection.<br><br>The Trusted Domains security check does not fully validate inline style attribute values, which can allow for outbound requests to untrusted domains and credential exfiltration when a victim views a crafted dashboard."
                }
            ],
            "references": [
                {
                    "url": "https://advisory.splunk.com/advisories/SVD-2026-0604"
                }
            ],
            "title": "Information Disclosure through External Content Restriction Bypass in Splunk Enterprise",
            "datePublic": "2026-06-10T00:00:00.000Z",
            "metrics": [
                {
                    "cvssV3_1": {
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
                        "version": "3.1",
                        "baseScore": 5.7,
                        "baseSeverity": "MEDIUM"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "type": "cwe",
                            "description": "The product does not validate or incorrectly validates input that can affect the control flow or data flow of a program.",
                            "cweId": "CWE-20"
                        }
                    ]
                }
            ],
            "source": {
                "advisory": "SVD-2026-0604"
            },
            "credits": [
                {
                    "lang": "en",
                    "value": "Fredrik Alexandersson (stok)"
                }
            ],
            "providerMetadata": {
                "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
                "shortName": "cisco",
                "dateUpdated": "2026-06-10T17:15:59.452Z"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-06-10T18:26:45.451095Z",
                                "id": "CVE-2026-20254",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-06-10T18:27:01.123Z"
                }
            }
        ]
    }
}