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CVE-2026-25089

CRITICALCVSS 9.8/10EPSS 23.39%

Last modified

CVE-2026-25089 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests. EPSS estimates a 23.39% chance of exploitation in the next 30 days.

Description

A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
23.39%

97.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FortinetFortisandbox>= 4.2.0, <= 4.2.8
FortinetFortisandbox>= 4.4.0, < 4.4.9
FortinetFortisandbox>= 5.0.0, < 5.0.6
FortinetFortisandbox Cloud>= 5.0.4, < 5.0.6
FortinetFortisandbox Paas>= 5.0.4, < 5.0.6

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-25089?
A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests
How severe is CVE-2026-25089?
CVE-2026-25089 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 23.39% probability of exploitation in the next 30 days.
How do I fix CVE-2026-25089?
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.

Are you affected by CVE-2026-25089?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST