Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-57054

Gravedad CVSS v4.0:
MEDIA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
09/07/2026
Última modificación:
09/07/2026

Descripción

*** Pendiente de traducción *** A Use of Incorrectly-Resolved Name or Reference vulnerability in the URL filtering plugin of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass web filtering and access downstream resources that should be unreachable.<br /> <br /> <br /> <br /> If an MX Series device is configured with web filtering, and an attacker sends a request with a specifically formatted URL, this request will get forwarded despite the system being configured to block it. In turn, an attacker can access downstream resources that are expected to be unreachable.<br /> <br /> This issue affects Junos OS on MX Series:<br /> <br /> <br /> * all versions before 23.2R2-S7,<br /> * 23.4 versions before 23.4R2-S8,<br /> * 24.2 versions before 24.2R2-S5,<br /> * 24.4 versions before 24.4R2-S4,<br /> * 25.2 versions before 25.2R2-S1,<br /> * 25.4 versions before 25.4R1-S2, 25.4R2.

Referencias a soluciones, herramientas e información