CVE-2026-18540
1 advisory.
npm/undici CVE-2026-18540: low 3.7, EPSS 0.24%
undici vulnerable to downstream response splitting via retry interceptor
Action: Upgrade undici to 6.28.1 or later.
npm i undici@6.28.1npm i undici@7.29.1npm i undici@8.10.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.28.1 | - |
| 7.0.0 | 7.29.1 | - |
| 8.0.0 | 8.10.2 | - |
Fixed versions
| 6.28.1 | 7.29.1 | 8.10.2 |
Sources
- osv: GHSA-r53p-7pc4-xj5r
- https://github.com/nodejs/undici/security/advisories/GHSA-r53p-7pc4-xj5r
- https://nvd.nist.gov/vuln/detail/CVE-2026-18540
- https://github.com/nodejs/undici/commit/0160a719063fb0a77f4fdf9500b9166b91e14329
- https://github.com/nodejs/undici/commit/cd8af90b38ae33c2838d54a2d629774122effe95
- https://github.com/nodejs/undici/commit/ce31bc824b578008faae5d3350da66c1b5f71548
- https://hackerone.com/reports/3900104
- https://hackerone.com/reports/3900615
- https://cna.openjsf.org/security-advisories.html
- https://github.com/nodejs/undici
- https://github.com/nodejs/undici/releases/tag/v6.28.1
- https://github.com/nodejs/undici/releases/tag/v7.29.1
- https://github.com/nodejs/undici/releases/tag/v8.10.2
CVE-2026-18540 · published · modified · JSON