CVE-2026-120046 Nezha 2.0.0 before 2.4.0 Startup NULL Pointer Dereference via Orphaned Service History

Medium 6.0 Published 30 Oct 2026 Updated 5 Nov 2026

Exploited in the wild: Not known
Fix: None listed

What is CVE-2026-120046?

CVE-2026-120046 is a medium-severity vulnerability in nezhahq nezha, published on 30 Oct 2026.

Official 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.

Weakness: CWE-476

Which versions are affected by CVE-2026-120046?

How do I fix CVE-2026-120046?

No fix has been published for CVE-2026-120046 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-120046 being exploited?

There is no known exploitation of CVE-2026-120046 in the wild and no public exploit code.

Sources

Also known as GHSA-9764-g6f6-xvmw.