CVE-2026-80254 PUBLISHED

Assigner: jpcert
Reserved: 26.08.2026 Published: 03.09.2026 Updated: 03.09.2026

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.

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS Score: 6.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 7.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Shizen Connect Inc.
Product	ShizenBox2 (edge-app)
Versions	Default: unaffected affected from 0 to v3.1.15 (incl.)

CVE-2026-80254 PUBLISHED

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Problem Types