CVE-2026-9679
1 advisory.
npm/undici CVE-2026-9679: medium 5.9, EPSS 0.33%
undici vulnerable to HTTP header injection via Set-Cookie percent-decoding
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-p88m-4jfj-68fv
- https://github.com/nodejs/undici/security/advisories/GHSA-p88m-4jfj-68fv
- https://nvd.nist.gov/vuln/detail/CVE-2026-9679
- https://cna.openjsf.org/security-advisories.html
- https://github.com/nodejs/undici
CVE-2026-9679 · published · modified · JSON