CVE-2026-101966
Received
Received - Intake
Use of Externally-Controlled Format String in Juniper Networks Junos OS Evolved
Vulnerability report for CVE-2026-101966, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-14
Last updated on: 2026-10-14
Assigner: Juniper Networks, Inc.
Description
Description
A Use of Externally-Controlled Format String vulnerability in the jti-dialoutd of Juniper Networks Junos OS Evolved allows an authenticated network attacker to cause persistent telemetry dial-out denial of service via a crafted analytics sensor resource submitted through gNMI listener.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Juniper | Networks | Junos OS Evolved 25.4 |
| Juniper | Networks | Junos OS Evolved 26.2 |
| Juniper | Networks | Junos OS Evolved 23.4X100 |
| Juniper | Networks | Junos OS Evolved 25.2X100 |
| Juniper | Networks | Junos OS Evolved 25.4X300 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-134 | The product uses a function that accepts a format string as an argument, but the format string originates from an external source. |
