{"id":"CVE-2026-111383","published":"2026-10-16T03:18:05.537","lastModified":"2026-10-16T17:17:33.160","description":"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.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-770"],"vendors":[],"products":[],"references":[{"url":"https://github.com/nezhahq/nezha/commit/36b742a7e9a81ed782363dd19efd77b7030fbd0f","tags":[]},{"url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-ch6h-w872-77mx","tags":[]},{"url":"https://www.vulncheck.com/advisories/nezha-2.0.13-before-2.3.15-denial-of-service-via-api-v1-ws-transfer-websocket","tags":[]},{"url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-ch6h-w872-77mx","tags":[]}],"exploitRefs":[{"url":"https://github.com/nezhahq/nezha/commit/36b742a7e9a81ed782363dd19efd77b7030fbd0f","tags":[]},{"url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-ch6h-w872-77mx","tags":[]},{"url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-ch6h-w872-77mx","tags":[]}],"hasPoc":true,"ai":null}