Security fixes are applied to the latest released version.
Do not disclose an unpatched vulnerability in a public issue. Report it through GitHub's private vulnerability reporting feature:
https://github.com/ityulong/LegitKeepAlive/security/advisories/new
Include the affected version, reproduction steps, impact, and any suggested mitigation. Reports involving deceptive background execution, permission bypasses, or policy evasion will not be accepted as feature requests.