CVE-2026-105113: Nezhahq Nezha

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Nezha Dashboard from 1.8.0 before 2.3.13 contains an improper locking vulnerability where a non-deferred mutex unlock leaks on a nil-map panic path. Any authenticated non-admin member can issue four notification API calls to permanently deadlock the alerting subsystem, then exhaust memory with blocking requests.

Affected products

• Nezhahq Nezha: from 1.8.0, before 2.3.13 (fixed in 2.3.13)

Published 2026-10-03. Last modified 2026-10-05.