CVE Watch16 jul 2026

CVE-2026-45109

Next.js is a React framework for building full-stack web applications. From 15.2.0 to before 15.5.18 and 16.2.6, it was found that the fix a

CVSS

7.5

Alto

EPSS

0.5%

p42

KEV

—

Exploit Today

0-100

Publicado: 13 may 2026 · Última mod.: 16 jul 2026 · CWE-288 · CWE-358

EPSS · 30d

0.5%EPSS · 30 días0.5%

2026-06-302026-07-16

Descripción técnica

Next.js is a React framework for building full-stack web applications. From 15.2.0 to before 15.5.18 and 16.2.6, it was found that the fix addressing CVE-2026-44575 did not apply to middleware.ts with Turbopack. This vulnerability is fixed in 15.5.18 and 16.2.6.

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——22Next.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 16.2.5.19h CVE-2023-370579.8 CRÍ

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