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Vulnerability record · CVE-2026-35093 · published 1 April 2026

CVE-2026-35093: Freedesktop libinput code injection vulnerability

Freedesktop · Libinput

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.

8.8 CVSS 3.1 High EPSS 0.21% · top 90.5% CWE-94 · Code injection
8.8CVSS 3.1 base score
0.21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
15 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2026-35093 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2453839 Issue TrackingThird Party Advisory
https://gitlab.freedesktop.org/libinput/libinput/-/work_items/1271 Broken Link
https://access.redhat.com/security/cve/CVE-2026-35093 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2453839 Issue TrackingThird Party Advisory
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35093.json

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Source: NIST National Vulnerability Database (record CVE-2026-35093), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.