CVE-2026-101961 Null dereference in Junos OS
A remote eBGP peer can crash the routing daemon by sending a specific BGP packet when a nexthop-ecmp qualifier is configured in an import policy.
- 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-2026-101961?
CVE-2026-101961 is a high-severity 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 NULL Pointer Dereference vulnerability in the routing-policy nexthop-ECMP matcher of Juniper Networks Junos OS and Junos OS Evolved allows a configured eBGP peer to cause a routing-daemon denial of service via a specific BGP packet received while a nexthop-ecmp qualifier is attached to a BGP import policy.
Weakness: CWE-476
Which versions are affected by CVE-2026-101961?
How do I fix CVE-2026-101961?
No fix has been published for CVE-2026-101961 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-101961 being exploited?
There is no known exploitation of CVE-2026-101961 in the wild and no public exploit code.
Sources
Also known as GHSA-7pv9-8xc6-p3w9.