CVE-2026-72589: Alseambusher Crontab-UI

Critical severity, CVSS 9.8. EPSS: 1.9% chance of exploitation in the next 30 days.

An OS command injection vulnerability in alseambusher/crontab-ui through 0.4.2 allows an unauthenticated remote attacker to execute arbitrary system commands by importing a crafted crontab database file. The POST /import endpoint accepts arbitrary .db files and overwrites the application database without validation.

Affected products

• Alseambusher Crontab-UI: up to and including 0.4.2

Published 2026-08-10. Last modified 2026-08-28.