CVE-2026-111383
Published:October 16, 2026
Updated:October 20, 2026
Nezha from 2.0.13 before 2.3.15 contains a resource exhaustion vulnerability that allows authenticated users to open unbounded concurrent connections to the /api/v1/ws/transfer WebSocket endpoint. Attackers can hold thousands of subscriptions created by ServerTransferClass.Subscribe without limits, exhausting file descriptors, memory, and goroutines and blocking agent gRPC reconnections.
Affected Packages
https://github.com/nezhahq/nezha.git (GITHUB):
Affected version(s) >=v2.3.0 <v2.3.15Fix Suggestion:
Update to version v2.3.15github.com/nezhahq/nezha (GO):
Affected version(s) >=v1.14.15-0.20260902134505-eb48a178f80e <v1.14.15-0.20261004120352-9881c47f0cc9Fix Suggestion:
Update to version v1.14.15-0.20261004120352-9881c47f0cc9Related Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
EPSS
Base Score:
0.29