CVE-2026-102011 Junos OS and Junos OS Evolved: An attacker causes rpd to crash when LDP link protection is enabled
An adjacent attacker can crash the routing process by exploiting a reachable assertion in LDP link protection when specific neighbor misconfigurations exist.
- 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-2026-102011?
CVE-2026-102011 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 attacker to cause a denial of service via an established LDP session when two misconfigured neighbors (or one neighbor duplicated by an L2 loop) advertise the same transport address on a link-protected interface.
Weakness: CWE-617
Which versions are affected by CVE-2026-102011?
How do I fix CVE-2026-102011?
No fix has been published for CVE-2026-102011 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-2026-102011 being exploited?
There is no known exploitation of CVE-2026-102011 in the wild and no public exploit code.
Sources
Also known as GHSA-mv22-2cxw-qwfr.