CVE-2026-39866

8.8 HIGH
Published: April 21, 2026 Modified: April 23, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/LawnchairLauncher/lawnchair/commit/fcba413f55dd47f8a3921445252849126c6266b2
Source: security-advisories@github.com
Patch
https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427
Source: security-advisories@github.com
Exploit Vendor Advisory
https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Vendor Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.2%
39th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-77

Affected Vendors

lawnchair

Related CVEs

CVE-2026-6704 6.1
CVE-2026-6702 6.1
CVE-2026-6701 4.3
CVE-2026-6700 4.3
CVE-2026-6696 6.1