CVE-2026-102044 Denial of service in Junos OS
A configured BGP-LS peer can cause a routing control-plane denial of service in Juniper Junos OS when traffic engineering is enabled.
- 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-2026-102044?
CVE-2026-102044 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
A Reachable Assertion vulnerability in the rpd process of Juniper Networks Junos OS and Junos OS Evolved allows a configured BGP-LS peer to cause a denial of service via a BGP-LS update.
Weakness: CWE-617
Which versions are affected by CVE-2026-102044?
How do I fix CVE-2026-102044?
No fix has been published for CVE-2026-102044 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-2026-102044 being exploited?
There is no known exploitation of CVE-2026-102044 in the wild and no public exploit code.
Sources
Also known as GHSA-jq56-4qrc-gvfq.