# CVE-2026-39866

> Vulnerability · severity: **HIGH** (CVSS 8.8).

## Description

Lawnchair is a free, open-source home app for Android. Prior to commit fcba413f55dd47f8a3921445252849126c6266b2, command injection in release_update.yml workflow dispatch input allows arbitrary code execution. Commit fcba413f55dd47f8a3921445252849126c6266b2 patches the issue.

## Key facts

- **CVE ID:** CVE-2026-39866
- **Published:** 2026-04-21
- **CVSS severity:** HIGH
- **CVSS base score:** 8.8
- **CWE codes:** CWE-77

## Affected products

- `lawnchair:lawnchair`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-39866

## Citation

> AI Analytics. CVE-2026-39866. Retrieved 2026-07-23 from https://api.ai-analytics.org/cve/CVE-2026-39866. Derived from NIST NVD. Licensed CC0.

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