CVE Catalog
CVE-2026-72590
CriticalCVSS 9.8Summary
crontab-ui through 0.4.2 has an OS command injection vulnerability that allows an unauthenticated attacker to inject arbitrary cron job entries by sending a crafted GET request to /crontab with URL-encoded newlines in the env_vars parameter.
Risk Assessment
An attacker can execute arbitrary system commands on the server, potentially leading to full system compromise.
Recommendation
Update crontab-ui to a patched version and restrict access to the application.
Original NVD description (English source)
An OS command injection vulnerability in alseambusher/crontab-ui through 0.4.2 allows an unauthenticated remote attacker to inject arbitrary cron job entries by sending a crafted GET request to /crontab with URL-encoded newlines in the env_vars parameter.

