CVE-2026-6733
1 advisory.
npm/undici CVE-2026-6733: low 3.7
undici vulnerable to HTTP response queue poisoning via keep-alive socket reuse
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-35p6-xmwp-9g52
- https://github.com/nodejs/undici/security/advisories/GHSA-35p6-xmwp-9g52
- https://nvd.nist.gov/vuln/detail/CVE-2026-6733
- https://github.com/nodejs/undici/commit/6ea54ef8c4051e95bb68c89d4a5c9274fe6fbb4b
- https://hackerone.com/reports/3582376
- https://cna.openjsf.org/security-advisories.html
- https://github.com/nodejs/undici
- https://github.com/nodejs/undici/releases/tag/v6.27.0
- https://github.com/nodejs/undici/releases/tag/v7.28.0
- https://github.com/nodejs/undici/releases/tag/v8.5.0
CVE-2026-6733 · published · modified · JSON