CVE-2026-39813: Escalation of privilege in Fortinet FortiSandbox
A path traversal: '../filedir' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8 may allow attacker to escalation of privilege via specially crafted HTTP requests.
AI Analysis
Technical Summary
This vulnerability in Fortinet FortiSandbox products (versions 4.4.0 to 4.4.8 and 5.0.0 to 5.0.5) is caused by a path traversal flaw that can be exploited through specially crafted HTTP requests. Successful exploitation allows an attacker to escalate privileges on the affected system. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges or user interaction, with critical impact on confidentiality, integrity, and availability. Fortinet has released an official fix for this issue.
Potential Impact
Exploitation of this vulnerability allows an unauthenticated remote attacker to escalate privileges on the FortiSandbox device, potentially leading to full compromise of the affected system. The impact includes complete loss of confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Fortinet. Users should apply the vendor-provided patches to affected FortiSandbox versions 4.4.0 through 4.4.8 and 5.0.0 through 5.0.5 as soon as possible to remediate this vulnerability.
CVE-2026-39813: Escalation of privilege in Fortinet FortiSandbox
Description
A path traversal: '../filedir' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8 may allow attacker to escalation of privilege via specially crafted HTTP requests.
CVSS v3.1
Score 9.1critical
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Fortinet FortiSandbox products (versions 4.4.0 to 4.4.8 and 5.0.0 to 5.0.5) is caused by a path traversal flaw that can be exploited through specially crafted HTTP requests. Successful exploitation allows an attacker to escalate privileges on the affected system. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges or user interaction, with critical impact on confidentiality, integrity, and availability. Fortinet has released an official fix for this issue.
Potential Impact
Exploitation of this vulnerability allows an unauthenticated remote attacker to escalate privileges on the FortiSandbox device, potentially leading to full compromise of the affected system. The impact includes complete loss of confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Fortinet. Users should apply the vendor-provided patches to affected FortiSandbox versions 4.4.0 through 4.4.8 and 5.0.0 through 5.0.5 as soon as possible to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- fortinet
- Date Reserved
- 2026-04-07T15:24:13.846Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
Threat ID: 69de650a82d89c981fbf0910
Added to database: 04/14/2026, 16:02:18 UTC
Last enriched: 06/18/2026, 17:05:56 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 280
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