What is CVE-2026-57026?

CVE-2026-57026 is a high-severity vulnerability in Juniper Networks Junos Os, classified under CWE-1286. CVSS score: 7.5/10. Published 2026-07-09.

How severe is CVE-2026-57026?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Juniper Networks Junos Os

CVE-2026-57026

An Improper Validation of Syntactic Correctness of Input vulnerability in the SIP plugin of Juniper Networks Junos OS on MX Series with SPC3 and SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Juniper Networks Junos Os — versions 0, 23.4, 24.2

Weakness classification (CWE)

CWE-1286

References

sirt@juniper.net (vendor-advisory)

Frequently asked questions

What is CVE-2026-57026?: CVE-2026-57026 is a high-severity vulnerability in Juniper Networks Junos Os, classified under CWE-1286. CVSS score: 7.5/10. Published 2026-07-09.
How severe is CVE-2026-57026?: High severity. CVSS v3 base score is 7.5 out of 10.