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Critical 9.8Published Aug 10, 2026
CVE-2026-72590alseambusher crontab-ui - Unauthenticated RCE via Newline Injection in env_vars Parameter
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-93
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- TuranSec
- NVD analysis
- Deferred
- Record last updated
- Aug 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
alseambusher crontab-ui alseambusher:crontab_ui (from the name) | through 0.4.2 | CNA record |
References
- https://github.com/alseambusher/crontab-uithird-party-advisory
- https://github.com/alseambusher/crontab-ui/blob/master/app.jstechnical-description
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.