{"action":"Upgrade sse-channel to 4.0.1 or later.","affected":[{"fixed":"4.0.1","introduced":"0"}],"component":"sse-channel","cve_ids":["CVE-2026-44217"],"ecosystem":"npm","epss":0.00479,"exploited":false,"fixed_versions":["4.0.1"],"ghsa_id":"GHSA-84hm-wfh8-c5pg","id":"tcs_01M5KFBS0Y2GAC6ANQ3VTAKECH","modified_at":"2026-05-13T16:46:23.718132Z","published_at":"2026-05-05T22:17:02Z","references":["https://osv.dev/vulnerability/GHSA-84hm-wfh8-c5pg","https://github.com/rexxars/sse-channel/security/advisories/GHSA-84hm-wfh8-c5pg","https://nvd.nist.gov/vuln/detail/CVE-2026-44217","https://github.com/rexxars/sse-channel/issues/42","https://github.com/rexxars/sse-channel"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-84hm-wfh8-c5pg","url":"https://osv.dev/vulnerability/GHSA-84hm-wfh8-c5pg"}],"summary":"sse-channel: SSE Injection via unsanitized event fields"}