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.
History

Mon, 05 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 03 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Nezhahq
Nezhahq nezha
Vendors & Products Nezhahq
Nezhahq nezha

Sat, 03 Oct 2026 14:00:00 +0000

Type Values Removed Values Added
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.
Title Nezha 1.8.0 before 2.3.13 Denial of Service via Notification Mutex Deadlock
Weaknesses CWE-667
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-03T12:14:39.317Z

Updated: 2026-10-05T14:48:26.118Z

Reserved: 2026-10-03T12:04:36.963Z

Link: CVE-2026-105113

cve-icon Vulnrichment

Updated: 2026-10-05T14:47:50.219Z

cve-icon NVD

Status : Deferred

Published: 2026-10-03T14:16:37.823

Modified: 2026-10-05T16:00:27.010

Link: CVE-2026-105113

cve-icon Redhat

No data.