CVE-2026-102014 Junos OS: An attacker causes authd to crash when subscriber RADIUS authentication is used
An attacker can cause a stack-based buffer overflow in Junos OS authd via malicious RADIUS responses, leading to root code execution or denial of service.
- 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-2026-102014?
CVE-2026-102014 is a high-severity memory corruption 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 Stack-based Buffer Overflow vulnerability in the authd process of Juniper Networks Junos OS allows an attacker able to influence a configured RADIUS server to cause authd to crash or execute code with root privileges via a malicious RADIUS response.
Weakness: CWE-121
Which versions are affected by CVE-2026-102014?
How do I fix CVE-2026-102014?
No fix has been published for CVE-2026-102014 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-102014 being exploited?
There is no known exploitation of CVE-2026-102014 in the wild and no public exploit code.
Sources
Also known as GHSA-w6cc-j6qp-95pv.