CVE-2026-39866

HIGH

Lawnchair vulnerable to Command Injection via unquoted workflow dispatch input in release_update.yml

Title source: cna

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.

References (2)

[X_Refsource_Confirm] https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427

[X_Refsource_Misc] https://github.com/LawnchairLauncher/lawnchair/commit/fcba413f55dd47f8a3921445252849126c6266b2

View Writeup ZIP pw:eip

Scores

CVSS v3 8.8

EPSS 0.0013

EPSS Percentile 32.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-77

Status published

Products (2)

lawnchair/lawnchair < 15.0.0

LawnchairLauncher/lawnchair < fcba413f55dd47f8a3921445252849126c6266b2

Published Apr 21, 2026

Tracked Since Apr 21, 2026