Vulnerability · Published Aug 10, 2026 · Assigned by TuranSec
CVE-2026-72589alseambusher crontab-ui - Unauthenticated RCE via Shell Injection in Imported Database hook Field
Critical 9.8
In plain English
A critical-severity OS command injection in crontab-ui from alseambusher. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.9%top 19.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| alseambusher | crontab-ui | 0 – through 0.4.2 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- Product third-party-advisory
- Vulnerable File technical-description