{"action":"Upgrade github.com/klever-io/klever-go to 1.7.20 or later.","affected":[{"fixed":"1.7.20","introduced":"0"}],"component":"github.com/klever-io/klever-go","cve_ids":["CVE-2026-86065"],"ecosystem":"Go","epss":0.00425,"exploited":false,"fixed_versions":["1.7.20"],"ghsa_id":"GHSA-4fwh-wrm6-97xm","id":"tcs_01M5KEWGQJEGQ8N8WZD5PYR25K","modified_at":"2026-10-01T20:55:46.977029123Z","published_at":"2026-09-23T19:16:40Z","references":["https://osv.dev/vulnerability/GHSA-4fwh-wrm6-97xm","https://github.com/klever-io/klever-go/security/advisories/GHSA-4fwh-wrm6-97xm","https://github.com/klever-io/klever-go/pull/76","https://github.com/klever-io/klever-go/commit/b8af922e749ec1fa7451b2c6e7c9f634d8603be2","https://github.com/klever-io/klever-go","https://github.com/klever-io/klever-go/releases/tag/v1.7.20"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-4fwh-wrm6-97xm","url":"https://osv.dev/vulnerability/GHSA-4fwh-wrm6-97xm"}],"summary":"Klever-Go: Unauthenticated WebSocket /subscribe: no read-size limit, no connection cap, permissive origin -> remote node memory/goroutine exhaustion (DoS)"}