CVE-2026-101978CWE-78command-injection

CVE-2026-101978

High · published October 14, 2026

CVSS v3.1
8.8
EPSS
4%
Percentile
90.2
In the wild
Unconfirmed
What it is

An OS Command Injection vulnerability in the bootzd zero-touch provisioning daemon of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated attacker on the management LAN to execute commands as root via a crafted gRPC response.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
8.7 · CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L
EPSS
0.03916 · 90.2th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-10-14T21:17Z
References (1)
https://supportportal.juniper.net/JSA112250 · [email protected]
EPSS history
Timeline
  • 16 OCT 03:27Z
    EPSS moved — → 4%
    epss
  • 14 OCT 16:14Z
    Junos OS Evolved: PTX Series: An attacker controlled gRPC response causes root-level compromise when zero-touch provisioning is used
    cvelistv5
  • 14 OCT 16:14Z
    Junos OS Evolved: PTX Series: An attacker controlled gRPC response causes root-level compromise when zero-touch provisioning is used
    cvelistv5