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CVE-2026-6402

🗓️ 12 May 2026 07:45:21Reported by openjsType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 43 Views

Webpack-dev-server up to 5.2.3 exposes code cross-origin over HTTP; upgrade to 5.2.4+ to enforce same-origin policy.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-6402
12 May 202607:45
attackerkb
cgr
Chainguard
CVE-2026-6402 vulnerabilities
9 Jul 202602:25
cgr
circl
Circl
CVE-2026-6402
12 May 202607:53
circl
cnnvd
CNNVD
webpack-dev-server 安全漏洞
12 May 202600:00
cnnvd
cvelist
Cvelist
CVE-2026-6402 webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins
12 May 202607:45
cvelist
euvd
EUVD
EUVD-2026-29404
18 May 202613:31
euvd
github
Github Security Blog
webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins
18 May 202613:31
github
nvd
NVD
CVE-2026-6402
12 May 202609:16
nvd
opensuse
OPENSUSE Linux
agama-web-ui-21+360.16caae772-44.1 on GA media (moderate)
10 Jun 202600:00
opensuse
osv
OSV
CGA-6RJX-X46X-XXJG
8 Jul 202619:46
osv
Rows per page
NVD
[
  {
    "vendor": "webpack-dev-server",
    "product": "webpack-dev-server",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "0",
        "lessThan": "5.2.4"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "5.2.4"
      }
    ],
    "packageURL": "pkg:npm/webpack-dev-server"
  }
]

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17 Jun 2026 11:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.3 - 6.5
EPSS0.00216
SSVC
43