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CVE-2026-64647

🗓️ 27 Jul 2026 19:11:28Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 90 Views

Next.js server fetch may leak confidential data via cached responses for non UTF-8 request bodies.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-64647
27 Jul 202619:11
attackerkb
cgr
Chainguard
CVE-2026-64647 vulnerabilities
24 Jul 202602:17
cgr
cvelist
Cvelist
CVE-2026-64647 Next.js: Response Body Cache Confusion with Invalid UTF-8 Request Bodies
27 Jul 202619:11
cvelist
euvd
EUVD
EUVD-2026-49404
27 Jul 202619:11
euvd
github
Github Security Blog
Next.js: Cache confusion of response bodies for requests with bodies containing invalid UTF-8 byte sequences
22 Jul 202623:06
github
nvd
NVD
CVE-2026-64647
27 Jul 202619:17
nvd
osv
OSV
CGA-2Q38-FMPJ-XJ6H
23 Jul 202611:56
osv
osv
OSV
CGA-3222-PG6G-H4PC
23 Jul 202613:27
osv
osv
OSV
CGA-35H9-X4X8-49XR
15 Sep 202616:12
osv
osv
OSV
CGA-35M3-W4FX-55MH
23 Jul 202612:28
osv
Rows per page
NVD
Vulners
Node
OR
vercelnext.jsRange13.0.015.5.21node.js
vercelnext.jsRange16.0.016.2.11node.js
[
  {
    "vendor": "vercel",
    "product": "next.js",
    "versions": [
      {
        "version": ">= 13.0.0, < 15.5.21",
        "status": "affected"
      },
      {
        "version": ">= 16.0.0, < 16.2.11",
        "status": "affected"
      }
    ]
  }
]

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29 Jul 2026 14:38Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.4
CVSS 46.3
EPSS0.00351
SSVC
90