CVE-2026-18283 Sony XAV-9500ES udev USB Rules Authorization Bypass Vulnerability
Physically present attackers can bypass authorization on Sony XAV-9500ES devices by connecting a crafted USB device that triggers restricted device instantiation.
- 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-2026-18283?
CVE-2026-18283 is a low-severity authentication bypass vulnerability in Sony XAV-9500ES, published on 20 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Sony XAV-9500ES udev USB Rules Authorization Bypass Vulnerability. This vulnerability allows physically present attackers to bypass authorization on affected installations on Sony XAV-9500ES devices. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the udev rules. A crafted USB device connected to the system can trigger instantiation of otherwise restricted USB device types. An attacker can leverage this vulnerability to bypass authorization on the system. Was ZDI-CAN-28992.
Weakness: CWE-285
Which versions are affected by CVE-2026-18283?
How do I fix CVE-2026-18283?
No fix has been published for CVE-2026-18283 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-18283 being exploited?
There is no known exploitation of CVE-2026-18283 in the wild and no public exploit code.
Sources
Also known as GHSA-j2pg-r74g-f5v5.