CVE-2026-6402
1 advisory.
npm/webpack-dev-server CVE-2026-6402: medium 5.3, EPSS 0.35%
webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins
Action: Upgrade webpack-dev-server to 5.2.4 or later.
npm i webpack-dev-server@5.2.4Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.2.4 | - |
Fixed versions
| 5.2.4 |
Sources
- osv: GHSA-79cf-xcqc-c78w
- https://github.com/webpack/webpack-dev-server/security/advisories/GHSA-4v9v-hfq4-rm2v
- https://github.com/webpack/webpack-dev-server/security/advisories/GHSA-79cf-xcqc-c78w
- https://github.com/webpack/webpack-dev-server/security/advisories/GHSA-9jgg-88mc-972h
- https://nvd.nist.gov/vuln/detail/CVE-2026-6402
- https://cna.openjsf.org/security-advisories.html
- https://github.com/webpack/webpack-dev-server
CVE-2026-6402 · published · modified · JSON