CVE-2026-14631
1 advisory.
npm/webpack-dev-server CVE-2026-14631: medium 5.3
webpack-dev-server vulnerable to denial of service via a malformed Host or Origin header
Action: Upgrade webpack-dev-server to 5.2.6 or later.
npm i webpack-dev-server@5.2.6Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.2.6 | - |
Fixed versions
| 5.2.6 |
Sources
- osv: GHSA-m28w-2pqf-7qgj
- https://github.com/webpack/webpack-dev-server/security/advisories/GHSA-m28w-2pqf-7qgj
- https://nvd.nist.gov/vuln/detail/CVE-2026-14631
- https://github.com/webpack/webpack-dev-server/pull/5699
- https://github.com/webpack/webpack-dev-server/commit/f21ed0f44aceb6132abb591ee8b60d770b6e489f
- https://cna.openjsf.org/security-advisories.html
- https://github.com/webpack/webpack-dev-server
CVE-2026-14631 · published · modified · JSON