CVE-2026-111383Nezha 2.0.13 before 2.3.15 Denial of Service via /api/v1/ws/transfer WebSocket
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-770
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 16, 2026
Affected products
nezhahq nezha nezhahq:nezha (from the name) | from 2.0.13 before 2.3.15; 2.3.15 not affected | CNA record |
References
- https://github.com/nezhahq/nezha/security/advisories/GHSA-ch6h-w872-77mxvendor-advisory
- https://github.com/nezhahq/nezha/commit/36b742a7e9a81ed782363dd19efd77b7030fbd0fpatch
- https://www.vulncheck.com/advisories/nezha-2.0.13-before-2.3.15-denial-of-service-via-api-v1-ws-transfer-websocketthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.