CVE-2026-39866highCWE-77

CVE-2026-39866: high-severity vulnerability in LawnchairLauncher lawnchair

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

Published · Updated

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.4epss 2.3%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
LawnchairLauncher · lawnchair