{"id":"CVE-2026-111383","revision":null,"records":[{"revision":"60f1180a3a52466a80a8eaa6349d07fa","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111383","aliases":[],"title":"Nezha 2.0.13 before 2.3.15 Denial of Service via /api/v1/ws/transfer WebSocket","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.","state":0,"publishedAt":"2026-10-16T01:17:52.239+00:00","modifiedAt":"2026-10-16T16:24:21.877+00:00","affected":[{"ecosystem":"Vendor product","name":"nezha","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"nezhahq\",\n                    \"product\": \"nezha\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/nezhahq/nezha\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.0.13\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.3.15\"\n                        },\n                        {\n                            \"version\": \"2.3.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/nezhahq/nezha/security/advisories/GHSA-ch6h-w872-77mx","https://github.com/nezhahq/nezha/commit/36b742a7e9a81ed782363dd19efd77b7030fbd0f","https://www.vulncheck.com/advisories/nezha-2.0.13-before-2.3.15-denial-of-service-via-api-v1-ws-transfer-websocket"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111383","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111383","identifiers":["CVE-2026-111383"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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