CVE-2026-12151
1 advisory.
npm/undici CVE-2026-12151: high 7.5
undici WebSocket client vulnerable to denial of service via fragment count bypass
Action: Upgrade undici to 6.27.0 or later.
npm i undici@6.27.0npm i undici@7.28.0npm i undici@8.5.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.27.0 | - |
| 7.0.0 | 7.28.0 | - |
| 8.0.0 | 8.5.0 | - |
Fixed versions
| 6.27.0 | 7.28.0 | 8.5.0 |
Sources
- osv: GHSA-vxpw-j846-p89q
- https://github.com/nodejs/undici/security/advisories/GHSA-vxpw-j846-p89q
- https://nvd.nist.gov/vuln/detail/CVE-2026-12151
- https://cna.openjsf.org/security-advisories.html
- https://github.com/nodejs/undici
CVE-2026-12151 · published · modified · JSON