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CVE-2026-64649 Next.js: Server-Side Request Forgery in Server Actions on Custom Servers

🗓️ 27 Jul 2026 19:27:58Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

Next.js Server Actions on custom servers enable server side request forgery via host header control; fixed in 15.5.21 and 16.2.11.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-64649 vulnerabilities
24 Jul 202602:17
cgr
cve
CVE
CVE-2026-64649
27 Jul 202619:27
cve
euvd
EUVD
EUVD-2026-49571
27 Jul 202619:27
euvd
github
Github Security Blog
Next.js: Server-Side Request Forgery in Server Actions on custom servers
22 Jul 202623:09
github
nessus
Tenable Nessus
Next.js Framework 14.1.1 < 15.5.21 / 16.x < 16.2.11 SSRF
27 Jul 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-64649
29 Jul 202600:00
nessus
nvd
NVD
CVE-2026-64649
27 Jul 202620:16
nvd
osv
OSV
CGA-34RF-3642-Q84H
23 Jul 202612:28
osv
osv
OSV
CGA-39H4-425F-P7PW
24 Jul 202619:06
osv
osv
OSV
CGA-3MWF-52CP-CXWP
23 Jul 202612:15
osv
Rows per page
[
  {
    "vendor": "vercel",
    "product": "next.js",
    "versions": [
      {
        "version": ">= 14.1.1, < 15.5.21",
        "status": "affected"
      },
      {
        "version": ">= 16.0.0 < 16.2.11",
        "status": "affected"
      }
    ]
  }
]

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27 Jul 2026 19:27Current
CVSS 48.3
EPSS0.00872
44