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CVE-2026-105113— Nezha 1.8.0 before 2.3.13 Denial of Service via Notification Mutex Deadlock

Quick assessment

Affected
nezhahq nezha
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

哪吒（Nezha）监控面板在 1.8.0 至 2.3.13 版本之间存在一个不正确的锁定漏洞，该漏洞会导致在非延迟互斥锁解锁操作于 nil 映射恐慌路径上发生时发生内存泄漏。任何经过身份验证的非管理员成员均可通过发起四次通知 API 调用，永久性地使告警子系统死锁，并通过阻塞请求耗尽系统内存。

CVSS 6.5 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
nezhahq nezha 1.8.0< 2.3.13 affected
2.3.13 unaffected
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I. Basic Information for CVE-2026-105113

Vulnerability Information
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Vulnerability Title
Nezha 1.8.0 before 2.3.13 Denial of Service via Notification Mutex Deadlock
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
加锁机制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
nezhahq nezha 1.8.0 ~ 2.3.13 -

II. Public POCs for CVE-2026-105113

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III. Intelligence Information for CVE-2026-105113

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Vendor Advisories for CVE-2026-105113 (2)

IV. Related Vulnerabilities

Same product: nezha
Same vendor: nezhahq
Same weakness: CWE-667

V. Comments for CVE-2026-105113

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