{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120046", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-30T18:41:10.405Z", "datePublished": "2026-10-30T18:52:58.489Z", "dateUpdated": "2026-10-30T18:52:58.489Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-30T18:52:58.489Z"}, "datePublic": "2026-10-21T00:00:00.000Z", "title": "Nezha 2.0.0 before 2.4.0 Startup NULL Pointer Dereference via Orphaned Service History", "descriptions": [{"lang": "en", "value": "Nezha 2.0.0 before 2.4.0 contains a NULL pointer dereference vulnerability in ServiceSentinel.loadTodayStats that allows authenticated users to crash the dashboard by deleting a service. Attackers can delete their own service via POST /api/v1/batch-delete/service, leaving orphaned service_histories rows that crash the non-TSDB dashboard on its next startup until removed manually."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "NULL Pointer Dereference", "cweId": "CWE-476", "type": "CWE"}]}], "affected": [{"vendor": "nezhahq", "product": "nezha", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/nezhahq/nezha", "versions": [{"version": "2.0.0", "lessThan": "2.4.0", "status": "affected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/nezhahq/nezha/commit/efd3e07b901d6acf7ef2ab3b26458cc07e7605dc", "tags": ["patch"], "name": "Patch Commit"}, {"url": "https://github.com/nezhahq/nezha/releases/tag/v2.4.0", "name": "nezha v2.4.0 Release Notes", "tags": ["release-notes"]}, {"url": "https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/service/singleton/servicesentinel.go#L434", "name": "loadTodayStats unchecked map dereference (2.3.18)", "tags": ["technical-description"]}, {"url": "https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/cmd/dashboard/controller/service.go#L639", "name": "Service deletion leaves service_histories rows (2.3.18)", "tags": ["technical-description"]}, {"url": "https://github.com/nezhahq/nezha", "tags": ["product"]}, {"name": "VulnCheck Advisory: Nezha 2.0.0 before 2.4.0 Startup NULL Pointer Dereference via Orphaned Service History", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/nezha-2.0.0-before-2.4.0-startup-null-pointer-dereference-via-orphaned-service-history"}], "credits": [{"lang": "en", "value": "Zachariah Mithani (AploSec)", "type": "finder"}, {"lang": "en", "value": "naiba", "type": "remediation developer"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

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{}

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