Vulnerability 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 Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/nezhahq/nezha
- https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/c
- https://github.com/nezhahq/nezha/blob/9881c47f0cc92256ba203919da5a25fab79a6bad/s
- 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-point
FAQ
What is CVE-2026-120046?
CVE-2026-120046 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...
How severe is CVE-2026-120046?
CVE-2026-120046 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-120046?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.