CVE-2026-101965 Junos OS Evolved: An attacker causes telemetry disruption when network analytics telemetry is enabled
An authenticated attacker can cause telemetry disruption, information disclosure, or root code execution via crafted gNMI messages in Junos OS Evolved.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-101965?
CVE-2026-101965 is a high-severity vulnerability in Juniper Networks Junos OS Evolved, published on 14 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-134
Which versions are affected by CVE-2026-101965?
How do I fix CVE-2026-101965?
No fix has been published for CVE-2026-101965 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-101965 being exploited?
There is no known exploitation of CVE-2026-101965 in the wild and no public exploit code.
Sources
Also known as GHSA-hfw9-67r5-vhvc.