Lucene search
K

CVE-2026-9595 webpack-dev-server vulnerable to HMR WebSocket interception via permissive user proxies

🗓️ 15 Jun 2026 15:00:21Reported by openjsType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

CVE-2026-9595: Broad proxy context in webpack development server leaks cookies and Origin via HMR WebSocket; patched in five two five.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-9595
15 Jun 202614:51
circl
CVE
CVE-2026-9595
15 Jun 202615:00
cve
EUVD
EUVD-2026-36729
15 Jun 202615:00
euvd
NVD
CVE-2026-9595
15 Jun 202616:16
nvd
Positive Technologies
PT-2026-49244
15 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-9595 webpack-dev-server vulnerable to HMR WebSocket interception via permissive user proxies
15 Jun 202615:00
vulnrichment
[
  {
    "vendor": "webpack-dev-server",
    "product": "webpack-dev-server",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "0",
        "lessThan": "5.2.5"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "5.2.5"
      }
    ],
    "packageURL": "pkg:npm/webpack-dev-server"
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation