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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-28377",
        "assignerOrgId": "57da9224-a3e2-4646-9d0e-c4dc2e05e7da",
        "state": "PUBLISHED",
        "assignerShortName": "GRAFANA",
        "dateReserved": "2026-02-27T07:16:12.218Z",
        "datePublished": "2026-03-26T21:39:46.928Z",
        "dateUpdated": "2026-08-27T17:22:34.956Z"
    },
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                "shortName": "GRAFANA",
                "dateUpdated": "2026-08-27T17:22:34.956Z"
            },
            "datePublic": "2026-03-26T21:34:51.017Z",
            "title": "S3 SSE-C Encryption Key Exposed in Plaintext via Config Endpoint (CVE-2025-41118 Pattern)",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability in Grafana Tempo exposes the S3 SSE-C encryption key in plaintext through the /status/config endpoint, potentially allowing unauthorized users to obtain the key used to encrypt trace data stored in S3.\n\nThanks to william_goodfellow for reporting this vulnerability."
                }
            ],
            "affected": [
                {
                    "vendor": "Grafana",
                    "product": "Tempo",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "2.10.3",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://grafana.com/security/security-advisories/cve-2026-28377",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                    }
                }
            ],
            "source": {
                "discovery": "BUG_BOUNTY"
            },
            "x_generator": {
                "engine": "cvelib 1.8.0"
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        },
        "adp": [
            {
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-326",
                                "lang": "en",
                                "description": "CWE-326 Inadequate Encryption Strength"
                            }
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-03-27T13:29:52.402572Z",
                                "id": "CVE-2026-28377",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
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                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
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                    "dateUpdated": "2026-03-27T13:54:56.438Z"
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