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.
Fix
Public exploits 2
- abhayclasher/CVE-2026-39866 PoC on GitHub
- pvharmo2/gha-lab-360f77d0d4 PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Patch, vendor advisory and mitigation references on NVD 3
- https://github.com/LawnchairLauncher/lawnchair/commit/fcba413f55dd47f8a3921445252849126c6266b2 Patch
- https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427 Exploit, Vendor Advisory
- https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427 Exploit, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.4 · lawnchairNVD modified 2026-10-26 00:10
Affected (CPE criteria) 1
cpe:2.3:a:lawnchair:lawnchair:*:*:*:*:*:*:*:*
References 3
- https://github.com/LawnchairLauncher/lawnchair/commit/fcba413f55dd47f8a3921445252849126c6266b2 Patch
- https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427 Exploit, Vendor Advisory
- https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427 Exploit, Vendor Advisory