CVE-2026-35093 Libinput: libinput: unauthorized code execution and information disclosure through lua bytecode plugins

What is CVE-2026-35093?

CVE-2026-35093 is a high-severity code injection vulnerability in Fedoraproject Fedora, published on 1 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A flaw was found in libinput. A local attacker who can place a specially crafted Lua bytecode file in certain system or user configuration directories can bypass security restrictions. This allows the attacker to run unauthorized code with the same permissions as the program using libinput, such as a graphical compositor. This could lead to the attacker monitoring keyboard input and sending that information to an external location.

Weakness: CWE-94

Which versions are affected by CVE-2026-35093?

It affects 2 products.

Products include Fedoraproject Fedora, Freedesktop Libinput.

How do I fix CVE-2026-35093?

Apply the vendor's patch.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-35093 being exploited?

There is no known exploitation of CVE-2026-35093 in the wild and no public exploit code.

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• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2026-35093, GHSA-mr79-hxw4-8vpf.