CVE-2026-101085
7.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
Nezha before 2.3.8 fails to validate alert rule type and duration bounds, allowing authenticated non-administrator users to create malformed rules that trigger unrecovered panics in the alert evaluator goroutine. Attackers can submit a crafted alert rule via the POST /api/v1/alert-rule endpoint to crash the dashboard process, which persists the rule and causes repeated crashes on restart, disabling all monitoring and control plane functionality.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nezhahq | nezha | 0 < 2.3.8 | affected |
| nezhahq | nezha | 2.3.8 | unaffected |
Weaknesses
- CWE-197: Numeric Truncation Error
References
- https://github.com/nezhahq/nezha/security/advisories/GHSA-2qc6-x993-hjq9
- https://www.vulncheck.com/advisories/nezha-before-2.3.8-denial-of-service-via-alert-rule
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