What is CVE-2026-80254?

CVE-2026-80254 is a medium-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-09-03.

How severe is CVE-2026-80254?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CVE-2026-80254

CVE-2026-80254

Authorization bypass through user-controlled key issue exists in ShizenBox2 (edge-app). If exploited, an attacker who can log in to the product may change the other user's password.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.004 (27.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

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

Frequently asked questions

What is CVE-2026-80254?: CVE-2026-80254 is a medium-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-09-03.
How severe is CVE-2026-80254?: Medium severity. CVSS v3 base score is 6.5 out of 10.