npm/eventsource-encoder CVE-2026-44214: medium 5.8, EPSS 0.28%
eventsource-encoder vulnerable to SSE event injection via unsanitized `event` and `id` fields
Action: Upgrade eventsource-encoder to 1.0.2 or later.
npm i eventsource-encoder@1.0.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.0.2 | - |
Fixed versions
| 1.0.2 |
Sources
- osv: GHSA-m9g3-3g99-mhpx
- https://github.com/rexxars/eventsource-encoder/security/advisories/GHSA-m9g3-3g99-mhpx
- https://nvd.nist.gov/vuln/detail/CVE-2026-44214
- https://github.com/rexxars/eventsource-encoder
- https://html.spec.whatwg.org/multipage/server-sent-events.html#parsing-an-event-stream
CVE-2026-44214 · published · modified · JSON