eventsource-encoder (npm) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the npm package eventsource-encoder, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (1)

• CVE-2026-44214 — CVSS 5.8 (medium): eventsource-encoder encodes events as well-formed EventSource/Server Sent Event (SSE) messages. Prior to 1.0.2, eventsource-encoder does…