CVE-2026-120046

5.3 MEDIUMpublic exploit available

Published 2026-10-30 · Updated 2026-10-30

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-476

Public exploit & PoC references

https://github.com/nezhahq/nezha
https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/cmd/dashboard/controller/service.go#L639
https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/service/singleton/servicesentinel.go#L434
https://github.com/nezhahq/nezha/commit/efd3e07b901d6acf7ef2ab3b26458cc07e7605dc
https://github.com/nezhahq/nezha/releases/tag/v2.4.0

All references

https://github.com/nezhahq/nezha
https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/cmd/dashboard/controller/service.go#L639
https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/service/singleton/servicesentinel.go#L434
https://github.com/nezhahq/nezha/commit/efd3e07b901d6acf7ef2ab3b26458cc07e7605dc
https://github.com/nezhahq/nezha/releases/tag/v2.4.0
https://www.vulncheck.com/advisories/nezha-2.0.0-before-2.4.0-startup-null-pointer-dereference-via-orphaned-service-history

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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