What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-10 · updated 2026-10-24
• Weakness: CWE-78

Description

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: through 0.4.2

References

• https://github.com/alseambusher/crontab-ui
• https://github.com/alseambusher/crontab-ui/blob/master/crontab.js

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