CVE-2026-84387
ZDI-26-645: Fortinet FortiSandbox write_remote_backup_to_crontab cronValue Command Injection Remote Code Execution Vulnerability
Published Sep 9, 2026
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fortinet FortiSandbox. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-84387.
Timeline
Detection, updates, and resolution for this record.
Sep 9, 2026 · Catalog
Detected
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fortinet FortiSandbox. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-84387.
Sources
- CVE.orgCVE-2026-84387
Official CVE identifier
cve.org - FIRST EPSSCVE-2026-84387
30-day exploitation probability 1.4%
first.org - Zero Day InitiativeZDI-26-645
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Fortinet FortiSandbox. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-84387.
zerodayinitiative.com