CVE-2026-111383
Nezha 2.0.13 before 2.3.15 Denial of Service via /api/v1/ws/transfer WebSocket
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-770 |
| Vendor | nezhahq |
| Product | nezha |
| Published | Oct 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
nezhahq / nezha
2.0.13 < 2.3.15
References
github.com: https://github.com/nezhahq/nezha/security/advisories/GHSA-ch6h-w872-77mx github.com: https://github.com/nezhahq/nezha/commit/36b742a7e9a81ed782363dd19efd77b7030fbd0f vulncheck.com: https://www.vulncheck.com/advisories/nezha-2.0.13-before-2.3.15-denial-of-service-via-api-v1-ws-transfer-websocket
Credits
🔍 manus-use