Vulnerability · Published Oct 14, 2026 · Assigned by juniper
CVE-2026-101965Junos OS Evolved: An attacker causes telemetry disruption when network analytics telemetry is enabled
High 8.8
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 0.6% (higher than 49% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 51.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An Use of Externally-Controlled Format String vulnerability in the gRPC daemon of Juniper Networks Junos OS Evolved allows an authenticated network attacker to cause telemetry-service disruption, information disclosure, or potential root-level code execution via a crafted message to the gNMI service.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Juniper Networks | Junos OS Evolved | 24.4 – before 24.4R2-S5-EVO25.2 – before 25.2R2-S2-EVO25.4 – 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:L/UI:N/S:U/C:H/I:H/A:H
References
- https://supportportal.juniper.net/JSA112250 vendor-advisory