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CVE-2026-72590

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductAlseambusher Crontab-ui
PublishedAug 10, 2026
First seenAug 10, 2026
Weakness typeCWE-93CWE-93

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
alseambusher crontab-uiv ≤ 0.4.2—

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