CVE-2026-72589: alseambusher crontab-ui - Unauthenticated RCE via Shell Injection in Imported Database hook Field

Published Aug 10, 2026
·
Updated

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 Software

1 affected component
alseambusher/crontab-ui<=0.4.2

Event History

Aug 10, 2026
CVE Published
via MITRE·10:41 AM
Data Sourced
via MITRE·10:41 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:17 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-72589?

CVE-2026-72589 has a severity rating of critical with a CVSS score of 9.8.

2

How do I fix CVE-2026-72589?

To fix CVE-2026-72589, upgrade to the latest version of alseambusher/crontab-ui that addresses the command injection vulnerability.

3

What type of attack is possible due to CVE-2026-72589?

CVE-2026-72589 allows unauthenticated remote attackers to execute arbitrary system commands via shell injection.

4

What can be exploited in CVE-2026-72589?

The vulnerability can be exploited by importing a crafted crontab database file through the /import endpoint.

5

Which versions of alseambusher/crontab-ui are affected by CVE-2026-72589?

CVE-2026-72589 affects versions of alseambusher/crontab-ui prior to 0.4.2.

Contact

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