CVE-2026-35094
Libinput: libinput: information disclosure via dangling pointer in lua plugin handling
Description
A flaw was found in libinput. An attacker capable of deploying a Lua plugin file in specific system directories can exploit a dangling pointer vulnerability. This occurs when a garbage collection cleanup function is called, leaving a pointer that can then be printed to system logs. This could potentially expose sensitive data if the memory location is re-used, leading to information disclosure. For this exploit to work, Lua plugins must be enabled in libinput and loaded by the compositor.
INFO
Published Date :
April 1, 2026, 2:16 p.m.
Last Modified :
April 7, 2026, 4:25 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-35094
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | 53f830b8-0a3f-465b-8143-3b8a9948e749 | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Disable Lua plugins if not essential.
- Update libinput to the latest version.
- Restrict write access to plugin directories.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-35094.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-35094 | VDB Entry Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2453840 | Issue Tracking Third Party Advisory |
| https://gitlab.freedesktop.org/libinput/libinput/-/work_items/1272 | Broken Link |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-35094 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-35094
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-35094 vulnerability anywhere in the article.
-
Daily CyberSecurity
Breaking the Input: Sandbox Escape Hits libinput, Exposing Leading Linux Desktops
The core of modern Linux input handling is facing a significant security challenge. libinput, the essential library that manages everything from mouse clicks to touchpad gestures for display servers, ... Read more
The following table lists the changes that have been made to the
CVE-2026-35094 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 07, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Added CPE Configuration OR *cpe:2.3:a:freedesktop:libinput:-:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:43:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:44:*:*:*:*:*:*:* Added Reference Type Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2026-35094 Types: Third Party Advisory, VDB Entry Added Reference Type Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2453840 Types: Issue Tracking, Third Party Advisory Added Reference Type Red Hat, Inc.: https://gitlab.freedesktop.org/libinput/libinput/-/work_items/1272 Types: Broken Link -
New CVE Received by [email protected]
Apr. 01, 2026
Action Type Old Value New Value Added Description A flaw was found in libinput. An attacker capable of deploying a Lua plugin file in specific system directories can exploit a dangling pointer vulnerability. This occurs when a garbage collection cleanup function is called, leaving a pointer that can then be printed to system logs. This could potentially expose sensitive data if the memory location is re-used, leading to information disclosure. For this exploit to work, Lua plugins must be enabled in libinput and loaded by the compositor. Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Added CWE CWE-825 Added Reference https://access.redhat.com/security/cve/CVE-2026-35094 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2453840 Added Reference https://gitlab.freedesktop.org/libinput/libinput/-/work_items/1272