What is CVE-2026-57054?

CVE-2026-57054 is a medium-severity vulnerability in Juniper Networks Junos Os, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 5.8/10. Published 2026-07-09.

How severe is CVE-2026-57054?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Vulnerability in Juniper Networks Junos Os

CVE-2026-57054

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 t…

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.

Affected products

Juniper Networks Junos Os — versions 0, 23.4, 24.2

Weakness classification (CWE)

CWE-706 — Use of Incorrectly-Resolved Name or Reference

References

sirt@juniper.net (vendor-advisory)

Frequently asked questions

What is CVE-2026-57054?: CVE-2026-57054 is a medium-severity vulnerability in Juniper Networks Junos Os, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 5.8/10. Published 2026-07-09.
How severe is CVE-2026-57054?: Medium severity. CVSS v3 base score is 5.8 out of 10.