CVE-2026-33128
1 advisory.
npm/h3 CVE-2026-33128: high 7.5, EPSS 0.71%
h3 has a Server-Sent Events Injection via Unsanitized Newlines in Event Stream Fields
Action: Upgrade h3 to 1.15.6 or later.
npm i h3@2.0.1-rc.15npm i h3@1.15.6Affected
| introduced | fixed | last affected |
|---|---|---|
| 2.0.0 | 2.0.1-rc.15 | - |
| 0 | 1.15.6 | - |
Fixed versions
| 2.0.1-rc.15 | 1.15.6 |
Sources
- osv: GHSA-22cc-p3c6-wpvm
- https://github.com/h3js/h3/security/advisories/GHSA-22cc-p3c6-wpvm
- https://nvd.nist.gov/vuln/detail/CVE-2026-33128
- https://github.com/h3js/h3/commit/7791538e15ca22437307c06b78fa155bb73632a6
- https://github.com/h3js/h3
- https://github.com/h3js/h3/blob/52c82e18bb643d124b8b9ec3b1f62b081f044611/src/utils/internal/event-stream.ts#L170-L187
CVE-2026-33128 · published · modified · JSON