CVE-2026-39866
8.8 · HIGHOverview
CVE-2026-39866 is a high-severity vulnerability affecting lawnchair lawnchair. It was published on April 21, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from lawnchair. Update lawnchair to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| lawnchair | lawnchair | 0 | Affected |
Frequently Asked Questions
What is CVE-2026-39866?
CVE-2026-39866 is a high-severity vulnerability affecting lawnchair lawnchair. It was published on April 21, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-39866?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2026-39866?
Check the references section for vendor advisories and patches from lawnchair. Update lawnchair to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-39866?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-39866 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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