---
id: CVE-2026-105113
title: >-
  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
summary: >-
  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 …
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-667
vendor: nezhahq
product: nezha
affected:
  - nezha >= 1.8.0 < 2.3.13
published: '2026-10-03'
updated: '2026-10-03'
sourceUpdated: '2026-10-03T14:16:37.823'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-105113'
references:
  - url: 'https://github.com/nezhahq/nezha/security/advisories/GHSA-7j7v-j77m-6g3m'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/nezha-1.8.0-before-2.3.13-denial-of-service-via-notification-mutex-deadlock
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-03T14:47:06.462Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.