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CVE-2026-44573 Next.js: Middleware / Proxy bypass in Pages Router applications using i18n

🗓️ 13 May 2026 16:48:16Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

Next.js Pages Router with internationalization bypasses authorization on unprefixed data routes, exposing protected SSR JSON.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
GithubExploit
Exploit for CVE-2026-23870
7 May 202623:00
githubexploit
ATTACKERKB
CVE-2026-44573
13 May 202616:48
attackerkb
Chainguard
CVE-2026-44573 vulnerabilities
13 May 202601:17
cgr
Circl
CVE-2026-44573
8 May 202612:09
circl
CNNVD
Next.js 安全漏洞
13 May 202600:00
cnnvd
CVE
CVE-2026-44573
13 May 202616:48
cve
Github Security Blog
Next.js has a Middleware / Proxy bypass in Pages Router applications using i18n
11 May 202615:53
github
Tenable Nessus
Next.js Framework 12.2.x < 15.5.16 / 16.x < 16.2.5 Information Disclosure
15 May 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-44573
3 Jun 202600:00
nessus
NVD
CVE-2026-44573
13 May 202617:16
nvd
Rows per page
[
  {
    "vendor": "vercel",
    "product": "next.js",
    "versions": [
      {
        "version": ">= 12.2.0, < 15.5.16",
        "status": "affected"
      },
      {
        "version": ">= 16.0.0, < 16.2.5",
        "status": "affected"
      }
    ]
  }
]

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