Main Vulnerability Database Vulnerabilities #VU122226

Missing Authorization in fwupd - #VU122226

Published: February 2, 2026 / Updated: July 31, 2026

Vulnerability identifier: #VU122226

CSH Severity: Low

CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: N/A

CWE-ID: CWE-862

Exploitation vector: Local access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a local user to bypass authorization process.

The vulnerability exists due to the daemon ignores the PolicyKit authorization. A local user can enable the admin-only emulation tagging feature.

fwupd

Install update from vendor's website.

fwupd - update to 2.0.20