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    "cveMetadata": {
        "cveId": "CVE-2026-63308",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-07-16T12:13:18.733Z",
        "datePublished": "2026-07-17T16:14:15.472Z",
        "dateUpdated": "2026-07-17T17:25:42.234Z"
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                "dateUpdated": "2026-07-17T16:14:15.472Z"
            },
            "title": "Helm Files.Lines Denial of Service via Empty Chart Files",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Helm through 4.2.3, fixed in commit ba6c9a2, contains a denial of service vulnerability in the Files.Lines template helper in pkg/engine/files.go that allows attackers to trigger an index out of range panic by including zero-length byte slices in chart files. Attackers can include empty files in Helm charts to cause deterministic render failures across template, install, upgrade, lint, and SDK Engine.Render operations."
                }
            ],
            "tags": [
                "x_open-source"
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            "datePublic": "2026-07-01T00:00:00.000Z",
            "problemTypes": [
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                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-129",
                            "description": "Improper Validation of Array Index",
                            "type": "CWE"
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                    ]
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            ],
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                    "product": "helm",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:golang/helm.sh/helm/v4",
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                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "4.2.3"
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                            "version": "ba6c9a29efa7bf9198dad6a5ec12b4fb30c96017",
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                            "lang": "en",
                            "value": "GENERAL"
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                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "LOW",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
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                        "baseScore": 5.3,
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                        "scope": "UNCHANGED",
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                        "integrityImpact": "NONE",
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                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
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            ],
            "references": [
                {
                    "url": "https://github.com/helm/helm/issues/32279",
                    "name": "Researcher Disclosure",
                    "tags": [
                        "technical-description",
                        "exploit"
                    ]
                },
                {
                    "url": "https://github.com/helm/helm/pull/32290",
                    "name": "Pull Request",
                    "tags": [
                        "issue-tracking"
                    ]
                },
                {
                    "url": "https://github.com/helm/helm/commit/ba6c9a29efa7bf9198dad6a5ec12b4fb30c96017",
                    "name": "Patch Commit",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://www.vulncheck.com/advisories/chat2db-insecure-direct-object-reference-via-get-api-connection-datasource",
                    "tags": [
                        "third-party-advisory"
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "George Chen",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-17T17:25:36.932375Z",
                                "id": "CVE-2026-63308",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "no"
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                                        "Technical Impact": "partial"
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                                ],
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                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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