{"affected":[{"defaultStatus":"unaffected","ecosystem":"golang","packageName":"github.com/nezhahq/nezha","product":"nezha","source":"CNA: VulnCheck","vendor":"nezhahq","versions":[{"lessThan":"2.4.0","status":"affected","version":"2.0.0","versionType":"semver"}]}],"cveId":"CVE-2026-120046","cwes":["CWE-476"],"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.","epss":{"date":"2026-11-04","percentile":0.22831,"score":0.003},"exploits":[],"kev":null,"metrics":[{"score":6,"severity":"medium","source":"CNA: 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","version":"4.0"},{"score":5.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793845771806,"publishedAt":1793386378489,"references":[{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/nezhahq/nezha/commit/efd3e07b901d6acf7ef2ab3b26458cc07e7605dc"},{"source":"CNA: VulnCheck","tags":["release-notes"],"url":"https://github.com/nezhahq/nezha/releases/tag/v2.4.0"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/service/singleton/servicesentinel.go#L434"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/cmd/dashboard/controller/service.go#L639"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/nezhahq/nezha"},{"source":"CNA: VulnCheck","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"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/nezhahq/nezha/commit/efd3e07b901d6acf7ef2ab3b26458cc07e7605dc"}],"revision":"a98b3e7c0a90de67813ecf700fbc9fe8c62ac87474ddb7f2c220250f93e39798","sources":[{"modifiedAt":1793845771806,"name":"CNA: VulnCheck","retrievedAt":1793848136033,"url":"https://www.cve.org/CVERecord?id=CVE-2026-120046"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793848153102,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-120046"}],"ssvc":{"assessedAt":1793845762280,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Nezha 2.0.0 before 2.4.0 Startup NULL Pointer Dereference via Orphaned Service History","updatedAt":1793848153102}