What is CVE-2026-80253?

CVE-2026-80253 is a medium-severity vulnerability, classified under CWE-1263. CVSS score: 6.8/10. Published 2026-09-03.

How severe is CVE-2026-80253?

Medium severity. CVSS v3 base score is 6.8 out of 10.

CVE-2026-80253

CVE-2026-80253

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.

EPSS: 0.003 (25.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

CWE-1263

References

vultures@jpcert.or.jp
vultures@jpcert.or.jp

Frequently asked questions

What is CVE-2026-80253?: CVE-2026-80253 is a medium-severity vulnerability, classified under CWE-1263. CVSS score: 6.8/10. Published 2026-09-03.
How severe is CVE-2026-80253?: Medium severity. CVSS v3 base score is 6.8 out of 10.