{"id":"CVE-2026-120046","aliases":[],"cve":{"records":[{"id":"CVE-2026-120046","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-30T18:41:10.405Z","published":"2026-10-30T18:52:58.489Z","modified":"2026-10-30T18:52:58.489Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-30T18:52:58.489Z"}],"references":[{"url":"https://github.com/nezhahq/nezha/commit/efd3e07b901d6acf7ef2ab3b26458cc07e7605dc","tags":["patch"],"source":"VulnCheck"},{"url":"https://github.com/nezhahq/nezha/releases/tag/v2.4.0","tags":["release-notes"],"source":"VulnCheck"},{"url":"https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/service/singleton/servicesentinel.go#L434","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/cmd/dashboard/controller/service.go#L639","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/nezhahq/nezha","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/nezha-2.0.0-before-2.4.0-startup-null-pointer-dereference-via-orphaned-service-history","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-476","description":"NULL Pointer Dereference","source":"VulnCheck"}],"applicability":[],"prioritization":[]},"title":"Nezha 2.0.0 before 2.4.0 Startup NULL Pointer Dereference via Orphaned Service History","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"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manually.","score":6,"severity":"medium","published":"2026-10-30T18:52:58.489Z","modified":"2026-10-30T18:52:58.489Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"nezhahq","name":"nezha","platforms":[],"versions":[{"version":"2.0.0","status":"affected","lessThan":"2.4.0","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:golang/github.com/nezhahq/nezha","packageIdentity":{"ecosystem":"Go","name":"github.com/nezhahq/nezha"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-120046"}],"remediation":[],"references":["https://github.com/nezhahq/nezha/commit/efd3e07b901d6acf7ef2ab3b26458cc07e7605dc","https://github.com/nezhahq/nezha/releases/tag/v2.4.0","https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/service/singleton/servicesentinel.go#L434","https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/cmd/dashboard/controller/service.go#L639","https://github.com/nezhahq/nezha","https://www.vulncheck.com/advisories/nezha-2.0.0-before-2.4.0-startup-null-pointer-dereference-via-orphaned-service-history"],"sources":[{"name":"CVE","id":"CVE-2026-120046","modified":"2026-10-30T18:52:58.489Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-120046"}],"assessments":[{"source":"VulnCheck","vector":"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","score":6},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.3}],"sourceAffected":[],"observedAt":"2026-10-30T21:44:56.213Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T11:30:32.033Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"Nezha versions 2.0.0 before 2.4.0 have a NULL pointer dereference vulnerability. Authenticated users can crash the dashboard by deleting a service, leaving orphaned service histories. This causes the dashboard to crash on startup.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-31T09:46:12.555Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-120046"}]}}