{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-116747",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-26T20:23:37.323Z",
        "datePublished": "2026-10-26T21:52:45.058Z",
        "dateUpdated": "2026-10-26T21:52:45.058Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
                "shortName": "VulnCheck",
                "dateUpdated": "2026-10-26T21:52:45.058Z"
            },
            "datePublic": "2026-10-09T00:00:00.000Z",
            "title": "Kener 3.0.0 before 4.1.10 Authentication Bypass via Hardcoded Fallback JWT Secret",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Kener 3.0.0 before 4.1.10 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge session tokens by using the hardcoded DUMMY_SECRET fallback key. When KENER_SECRET_KEY is empty or unset, attackers knowing an administrator email can sign a kener-user cookie to access /manage/api with full administrative privileges or forge password-reset tokens."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Use of Hard-coded Cryptographic Key",
                            "cweId": "CWE-321",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "rajnandan1",
                    "product": "kener",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "3.0.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "4.1.10"
                        }
                    ],
                    "packageURL": "pkg:github/rajnandan1/kener",
                    "repo": "https://github.com/rajnandan1/kener"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 9.2,
                        "baseSeverity": "CRITICAL"
                    }
                },
                {
                    "format": "CVSS",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseScore": 8.1,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/rajnandan1/kener/issues/871",
                    "tags": [
                        "issue-tracking"
                    ],
                    "name": "GitHub Issue #871"
                },
                {
                    "url": "https://github.com/rajnandan1/kener",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "url": "https://github.com/rajnandan1/kener/commit/ff636483544c926eab5b5e3e26b811c0f52bcaf8",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/rajnandan1/kener/releases/tag/v4.1.10",
                    "tags": [
                        "release-notes"
                    ],
                    "name": "kener v4.1.10 Release Notes"
                },
                {
                    "url": "https://github.com/rajnandan1/kener/blob/v4.1.9/src/lib/server/controllers/commonController.ts#L44-L55",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "name": "VulnCheck Advisory: Kener 3.0.0 before 4.1.10 Authentication Bypass via Hardcoded Fallback JWT Secret",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/kener-3.0.0-before-4.1.10-authentication-bypass-via-hardcoded-fallback-jwt-secret"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "George Chen",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        }
    }
}