CVE-2026-111383CWE-770denial-of-service

CVE-2026-111383

Medium · published October 16, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
21.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
7.1 · 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
EPSS
0.00295 · 21.0th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-10-16T07:18Z
References (4)
https://github.com/nezhahq/nezha/commit/36b742a7e9a81ed782363dd19efd77b7030fbd0f · [email protected]https://github.com/nezhahq/nezha/security/advisories/GHSA-ch6h-w872-77mx · [email protected]https://www.vulncheck.com/advisories/nezha-2.0.13-before-2.3.15-denial-of-service-via-api-v1-ws-transfer-websocket · [email protected]https://github.com/nezhahq/nezha/security/advisories/GHSA-ch6h-w872-77mx · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 17 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 16 OCT 01:17Z
    Nezha 2.0.13 before 2.3.15 Denial of Service via /api/v1/ws/transfer WebSocket
    cvelistv5
  • 16 OCT 01:17Z
    Nezha 2.0.13 before 2.3.15 Denial of Service via /api/v1/ws/transfer WebSocket
    cvelistv5