CVE-2026-101978 Juniper Networks Junos OS Evolved - OS Command Injection

Juniper Networks Junos OS Evolved on PTX Series contains an OS command injection caused by crafted gRPC response in bootzd zero-touch provisioning daemon, letting unauthenticated attackers on management LAN execute commands as root.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
OS Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-78

Vendor fix

Update to the latest version of Junos OS Evolved on PTX Series.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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