A vulnerability (CVE-2026-50292, CVSS 7.4 HIGH) in libinput allows a local attacker to inject arbitrary udev properties due to improper device property escaping, potentially leading to arbitrary code execution with root privileges. The affected versions are freedesktop libinput prior to 1.30.4 and versions from 1.31.0 through 1.31.2. The flaw is remediated by upgrading to libinput version 1.30.4 or 1.31.3.
Ubuntu Security Notices USN-8602-1 USN-8602-1: libinput vulnerability Publication date 23 July 2026 Overview libinput could be made to run programs as an administrator. Releases 22.04 LTS 20.04 LTS Open side navigation Close side navigation Packages Details Update instructions References Packages libinput - Input device management and event handling library Details It was discovered that libinput did not properly escape device properties. A local attacker could possibly use this issue to inject arbitrary udev properties and execute arbitrary code as root. It was discovered that libinput did not properly escape device properties. A local attacker could possibly use this issue to inject arbitrary udev properties and execute arbitrary code as root. Update instructions In general, a standard system update will make all the necessary changes. Learn more about how to get the fixes. The problem can be corrected by updating your system to the following package versions: Ubuntu Release Package Version 22.04 LTS jammy libinput-bin – 1.20.0-1ubuntu0.4 libinput-dev – 1.20.0-1ubuntu0.4 libinput10 – 1.20.0-1ubuntu0.4 20.04 LTS focal libinput-bin – 1.15.5-1ubuntu0.3+esm1 Ubuntu Pro Fix available with Ubuntu Pro . libinput-dev – 1.15.5-1ubuntu0.3+esm1 Ubuntu Pro Fix available with Ubuntu Pro . libinput10 – 1.15.5-1ubuntu0.3+esm1 Ubuntu Pro Fix available with Ubuntu Pro . Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Get Ubuntu Pro References CVE-2026-50292 CVE-2026-50292