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CVE-2026-44575

HIGH · CVSS 7.5 EPSS 0.05% Public Exploit

Source: NVD + CISA KEV + EPSS · Published: 2026-05-13 · Last synced: 2026-06-09

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Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

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CVE
CVE-2026-44575
Severity
HIGH
CVSS
7.5
EPSS
0.05%

Original NVD Description

Next.js is a React framework for building full-stack web applications. From 15.2.0 to before 15.5.16 and 16.2.5, App Router applications that rely on middleware or proxy-based checks for authorization can allow unauthorized access through transport-specific route variants used for segment prefetching. In affected configurations, specially crafted .rsc and segment-prefetch URLs can resolve to the same page without being matched by the intended middleware rule, which can allow protected content to be reached without the expected authorization check. This vulnerability is fixed in 15.5.16 and 16.2.5.