{"action":"Upgrade signalk-server to 2.28.0 or later.","affected":[{"fixed":"2.28.0","introduced":"0"}],"component":"signalk-server","cve_ids":["CVE-2026-55591"],"ecosystem":"npm","epss":0.00298,"exploited":false,"fixed_versions":["2.28.0"],"ghsa_id":"GHSA-q59x-jc9f-gfqf","id":"tcs_01M5KG57SRVW99TKD2RGTSJFXN","modified_at":"2026-06-18T21:41:26.036368Z","published_at":"2026-06-18T21:13:36Z","references":["https://osv.dev/vulnerability/GHSA-q59x-jc9f-gfqf","https://github.com/SignalK/signalk-server/security/advisories/GHSA-q59x-jc9f-gfqf","https://github.com/SignalK/signalk-server"],"severity":{"label":"medium","score":5.8},"sources":[{"source":"osv","source_id":"GHSA-q59x-jc9f-gfqf","url":"https://osv.dev/vulnerability/GHSA-q59x-jc9f-gfqf"}],"summary":"Signal K Server: Server-Side Request Forgery via Remote Connection Endpoints"}