Vulnerability · Published Oct 14, 2026 · Assigned by juniper
CVE-2026-101966Junos OS Evolved: A crafted analytics sensor resource causes telemetry dial-out daemon denial of service
High 8.2
In plain English
A high-severity security flaw in Junos OS Evolved from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.4%top 62.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | Junos OS Evolved | 25.4 – before 25.4R1-S3-EVO26.2 – before 26.2R1-S2-EVO23.4X10025.2X100 – before 25.2X100-D35-EVO25.4X300 – before 25.4X300-D40-EVO |
Weakness: CWE-134 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
References
- https://supportportal.juniper.net/JSA112250 vendor-advisory