CVE-2026-80253 Auth bypass in ShizenBox2 (dev-conf)
An attacker with physical access can bypass authentication to execute bootloader commands on ShizenBox2 devices, potentially compromising the system.
- 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-2026-80253?
CVE-2026-80253 is a high-severity authentication bypass vulnerability in ShizenBox2 (dev-conf), published on 3 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An improper physical access control issue exists in ShizenBox2 (dev-conf). If exploited, an attacker with physical access to the product may execute bootloader commands without authentication.
Weakness: CWE-1263
Which versions are affected by CVE-2026-80253?
How do I fix CVE-2026-80253?
No fix has been published for CVE-2026-80253 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-2026-80253 being exploited?
There is no known exploitation of CVE-2026-80253 in the wild and no public exploit code.
Sources
Also known as GHSA-9whx-x3gf-f75p.