MEDIUMnpm →
webpack-dev-server vulnerable to denial of service via a malformed Host or Origin header
webpack-dev-server vulnerable to denial of service via a malformed Host or Origin header
Affected packages
- webpack-dev-server
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- 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
Structured record: https://osv.dev/vulnerability/GHSA-m28w-2pqf-7qgj
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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