Patchfirst
Chainwebpack-dev-servernpm:webpack-dev-server

webpack-dev-server: successive fixes (2025–2026)

3 CVEs over 2 generations, 3 Jun 2025 to 12 May 2026.

Family tree

Left to right by publication date.Oldest first. Select a CVE to open it.
  1. CVE-2025-303593 Jun 2025 First in the chain
  2. CVE-2025-303603 Jun 2025 No direct link to an earlier CVE
  3. CVE-2026-640212 May 2026 related to CVE-2025-30359related to CVE-2025-30360
Jun 2025JulNovMay 2026 CVE-2025-30359 → CVE-2026-6402: related (high confidence)CVE-2025-30360 → CVE-2026-6402: related (high confidence) CVE-2025-30359 3 Jun 2025 CVE-2025-30360 3 Jun 2025 CVE-2026-6402 12 May 2026 Jun 2025JulOctJan 2026May CVE-2025-30359 → CVE-2026-6402: related (high confidence)CVE-2025-30360 → CVE-2026-6402: related (high confidence) CVE-2025-30359 3 Jun 2025 CVE-2025-30360 3 Jun 2025 CVE-2026-6402 12 May 2026
Exploited in the wild (CISA KEV) Not in KEV Priority score (0 to 100) High confidence Medium Low

CVEs in this family

Table view of the tree
CVEPublishedTitleLinked fromPriority
CVE-2025-30359 3 Jun 2025 webpack-dev-server users' source code may be stolen when they access a malicious web site · fixed in 5.2.1 First in chain 13.4
CVE-2025-30360 3 Jun 2025 webpack-dev-server users' source code may be stolen when they access a malicious web site with non-Chromium based… · fixed in 5.2.1 First in chain 10.4
CVE-2026-6402 12 May 2026 webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins · fixed in 5.2.4 CVE-2025-30359 · related · High 8.1
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