{"action":"Upgrade signalk-server to 2.25.0 or later.","affected":[{"fixed":"2.25.0","introduced":"0"}],"component":"signalk-server","cve_ids":["CVE-2026-39320"],"ecosystem":"npm","epss":0.00427,"exploited":false,"fixed_versions":["2.25.0"],"ghsa_id":"GHSA-7gcj-phff-2884","id":"tcs_01M5KF9YVJX10DYQ5HS1ATGK31","modified_at":"2026-04-21T17:41:28.938991Z","published_at":"2026-04-21T17:17:00Z","references":["https://osv.dev/vulnerability/GHSA-7gcj-phff-2884","https://github.com/SignalK/signalk-server/security/advisories/GHSA-7gcj-phff-2884","https://nvd.nist.gov/vuln/detail/CVE-2026-39320","https://github.com/SignalK/signalk-server/pull/2568","https://github.com/SignalK/signalk-server/commit/215d81eb700d5419c3396a0fbf23f2e246dfac2d","https://github.com/SignalK/signalk-server","https://github.com/SignalK/signalk-server/releases/tag/v2.25.0"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-7gcj-phff-2884","url":"https://osv.dev/vulnerability/GHSA-7gcj-phff-2884"}],"summary":"Signal K Server has an Unauthenticated Regular Expression Denial of Service (ReDoS) via WebSocket Subscription Paths"}