# CVE-2026-35094: Libinput: libinput: information disclosure via dangling pointer in lua plugin handling

> An attacker with plugin deployment access can trigger a dangling pointer in libinput, potentially exposing sensitive data via system logs.

- **Severity:** Low 3.3 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 1 Apr 2026
- **Updated:** 1 Apr 2026
- **Also known as:** DEBIAN-CVE-2026-35094, GHSA-9pg8-4hvg-h64m

## What is CVE-2026-35094?

CVE-2026-35094 is a low-severity use after free 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. 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.

Weakness: CWE-825 (Expired Pointer Dereference)

## Which versions are affected by CVE-2026-35094?

It affects 2 products.


Products: Fedoraproject Fedora, Freedesktop Libinput.

## How do I fix CVE-2026-35094?

Apply the vendor's patch.

## Is CVE-2026-35094 being exploited?

There is no known exploitation of CVE-2026-35094 in the wild and no public exploit code.

## Other vulnerabilities in Fedoraproject Fedora

- [CVE-2024-4577](https://insights.sbomify.com/CVE-2024-4577/): PHP-CGI OS Command Injection (critical 9.8, exploited in the wild)
- [CVE-2021-39226](https://insights.sbomify.com/CVE-2021-39226/): Grafana Authentication Bypass (critical 9.8, exploited in the wild)
- [CVE-2019-5544](https://insights.sbomify.com/CVE-2019-5544/): VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow (critical 9.8, exploited in the wild)
- [CVE-2024-4947](https://insights.sbomify.com/CVE-2024-4947/): Google Chromium V8 Type Confusion (critical 9.6, exploited in the wild)
- [CVE-2024-4671](https://insights.sbomify.com/CVE-2024-4671/): Google Chromium Visuals Use-After-Free (critical 9.6, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-35094 and fix it if it is affected.

What it is: CVE-2026-35094 is a low-severity use after free 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.
Exploitation: There is no known exploitation of CVE-2026-35094 in the wild and no public exploit code.

Affected product: Fedoraproject Fedora. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-35094/ (Markdown: https://insights.sbomify.com/CVE-2026-35094/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-35094
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-35094
- OSV: https://osv.dev/vulnerability/CVE-2026-35094

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-35094/
Summaries are generated and may contain mistakes; the official description above is the record.