CVE-2026-72589 PUBLISHED

alseambusher crontab-ui - Unauthenticated RCE via Shell Injection in Imported Database hook Field

Assigner: TuranSec
Reserved: 10.08.2026 Published: 10.08.2026 Updated: 10.08.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	alseambusher
Product	crontab-ui
Versions	Default: unknown affected from 0 to 0.4.2 (incl.)

Credits

Shaxriyor Abdullayev (Kamol_cs) finder

References

Problem Types

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE