CVE-2026-105113

Medium

Description

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.

SeverityMedium

CVSS6.5

Exploit probability—

ProductNezha

PublishedOct 3, 2026

First seenOct 3, 2026

Weakness typeCWE-667CWE-667

How to fix

Update

nezhahq nezha2.3.13 or later

Vendor advisories

github.com/nezhahq/nezha/security/advisories/GHSA-7j7v-j77m-6g3m

Affected products

Product	Affected versions	Fixed in
nezhahq nezha	1.8.0 ≤ v < 2.3.13	2.3.13

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