CVE-2026-102000 Junos OS and Junos OS Evolved: An attacker causes rpd to crash when LDP is enabled

High 7.1 Published Updated

An adjacent attacker can crash the routing process via LDP traffic, causing denial of service on Juniper devices with LDP enabled.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-102000?

CVE-2026-102000 is a high-severity denial of service vulnerability in Juniper Networks Junos OS, published on 14 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A Reachable Assertion vulnerability in the rpd process of Juniper Networks Junos OS and Junos EVO allows an adjacent unauthenticated attacker to cause a denial of service via LDP control traffic.

Weakness: CWE-617

Which versions are affected by CVE-2026-102000?

How do I fix CVE-2026-102000?

No fix has been published for CVE-2026-102000 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-102000 being exploited?

There is no known exploitation of CVE-2026-102000 in the wild and no public exploit code.

Sources

Also known as GHSA-wqwh-q5hg-m2rc.

Is CVE-2026-102000 in your software?

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