CVE-2026-102183 Junos OS and Junos OS Evolved: If in a BGP EVPN scenario a malformed NLRI is received rpd crashes
A remote attacker with a configured BGP EVPN peer can crash the routing daemon by sending a malformed NLRI, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102183?
CVE-2026-102183 is a high-severity denial of service vulnerability in Juniper Networks Junos OS, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An Improper Validation of Specified Quantity in Input vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP EVPN peer to cause an rpd crash via a specifically malformed NLRI.
Weakness: CWE-1284
Which versions are affected by CVE-2026-102183?
How do I fix CVE-2026-102183?
No fix has been published for CVE-2026-102183 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-2026-102183 being exploited?
There is no known exploitation of CVE-2026-102183 in the wild and no public exploit code.
Sources
Also known as GHSA-3wgj-r8j2-5467.