What is CVE-2026-4476?

CVE-2026-4476 is a medium-severity vulnerability in Yi Technology Home Camera, classified under Improper Authentication. CVSS score: 6.3/10. Published 2026-03-20.

How severe is CVE-2026-4476?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Yi Technology Home Camera

CVE-2026-4476

A vulnerability was found in Yi Technology YI Home Camera 2 2.1.1_20171024151200. The impacted element is an unknown function of the file home/web/ipc of the component CGI Endpoint. Performing a manipulation results in missing authentication. Access to the local network is required for this attack. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Broken Authentication

EPSS: 0.003 (24.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Yi Technology Home Camera — versions 2 2.1.1_20171024151200

Weakness classification (CWE)

References

cna@vuldb.com (vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-4476?: CVE-2026-4476 is a medium-severity vulnerability in Yi Technology Home Camera, classified under Improper Authentication. CVSS score: 6.3/10. Published 2026-03-20.
How severe is CVE-2026-4476?: Medium severity. CVSS v3 base score is 6.3 out of 10.