npm/undici CVE-2026-9675: high 7.5, EPSS 0.49%
undici WebSocket client vulnerable to denial of service via cumulative fragment bypass
Action: Upgrade undici to 8.5.0 or later.
npm i undici@8.5.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 8.0.0 | 8.5.0 | - |
Fixed versions
| 8.5.0 |
Sources
- osv: GHSA-38rv-x7px-6hhq
- https://github.com/nodejs/undici/security/advisories/GHSA-38rv-x7px-6hhq
- https://nvd.nist.gov/vuln/detail/CVE-2026-9675
- https://cna.openjsf.org/security-advisories.html
- https://github.com/nodejs/undici
CVE-2026-9675 · published · modified · JSON