Vulnerability in Juniper Networks Junos OS Evolved

[ Why it matters ]Priority signals

• Critical severity: CVSS 9.8

[ Description ]Official description

An OS Command Injection vulnerability in TACACS of Juniper Networks Junos OS Evolved allows a low-privileged TACACS+-authenticated user to execute commands with root privileges when periodic TACACS+ authorization-refresh is enabled.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• CERT-FR15 Oct 2026CERTFR-2026-AVI-1322

  Multiple vulnerabilities in Juniper Networks products Translated from French

  Multiple vulnerabilities have been discovered in Juniper Networks products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service.

  CVE-2026-102045CVE-2026-101985CVE-2026-101982+155 more CVEs

[ References ]References

• supportportal.juniper.net/JSA112250