CVE-2026-72590 alseambusher crontab-ui - Unauthenticated RCE via Newline Injection in env_vars Parameter

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 envvars parameter...

CVE-2026-72590

CVE-2026-72590 affects alseambusher/crontab-ui up to 0.4.2. An OS command injection exists in the /crontab endpoint: an unauthenticated attacker can send a GET request with URL-encoded newlines in the env_vars parameter, and the handler appends the value directly to the crontab string as '${envVa...