CVE-2026-84387

HIGHCVSS 7.2/10EPSS 1.40%

Last modified

CVE-2026-84387 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. An Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability [CWE-77] vulnerability in Fortinet FortiSandbox 5.2.0, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all versions may allow a privileged attacker to execute unauthorized code or commands via crafted HTTP requests.. EPSS estimates a 1.40% chance of exploitation in the next 30 days.

Description

An Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability [CWE-77] vulnerability in Fortinet FortiSandbox 5.2.0, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all versions may allow a privileged attacker to execute unauthorized code or commands via crafted HTTP requests.

Metrics

EPSS Probability
1.40%

72.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
FortinetFortiSandbox5.2.0; >= 5.0.0, <= 5.0.6; >= 4.4.0, <= 4.4.9; >= 4.2.1, <= 4.2.8

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-84387?
An Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability [CWE-77] vulnerability in Fortinet FortiSandbox 5.2.0, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all versions may allow a privileged attacker to execute unauthorized code or commands via crafted HTTP requests.
How severe is CVE-2026-84387?
CVE-2026-84387 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.
How do I fix CVE-2026-84387?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST