Detections
Analytics

CVE-2026-25089

critical

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

References

https://www.bleepingcomputer.com/news/security/new-infratrust-report-reveals-infrastructure-flaws-admins-should-patch-first/

https://securityaffairs.com/195569/security/u-s-cisa-adds-fortinet-fortisandbox-and-microsoft-sharepoint-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.theregister.com/security/2026/07/17/attackers-target-critical-fortisandbox-flaws-as-cisa-issues-patch-order/5274287

https://www.securityweek.com/fresh-sharepoint-vulnerability-exploited-soon-after-disclosure/

https://www.infosecurity-magazine.com/news/cisa-urgent-patch-fortinet/

https://www.databreachtoday.com/cisa-adds-fortisandbox-bugs-to-kev-catalog-a-32260

https://www.bleepingcomputer.com/news/security/cisa-warns-feds-to-patch-exploited-fortinet-fortisandbox-flaws-by-sunday/

https://thehackernews.com/2026/07/cisa-adds-exploited-sharepoint-rce-zero.html

https://www.cisa.gov/news-events/alerts/2026/07/16/cisa-adds-three-known-exploited-vulnerabilities-catalog

https://www.securityweek.com/3-recently-patched-fortinet-fortisandbox-vulnerabilities-in-hacker-crosshairs/

https://cyberscoop.com/fortinet-fortisandbox-vulnerabilities-exploits/

https://www.theregister.com/security/2026/06/16/three-critical-fortinet-sandbox-bugs-splattered-by-unknown-attackers/5256461

https://www.helpnetsecurity.com/2026/06/16/fortisandbox-vulnerabilities-cve-2026-39813-cve-2026-39808-cve-2026-25089/

https://www.bleepingcomputer.com/news/security/critical-fortinet-fortisandbox-flaws-now-exploited-in-attacks/

https://thehackernews.com/2026/06/attackers-exploit-three-fortinet.html

https://securityaffairs.com/193709/ai/fortinet-warned-as-three-critical-fortisandbox-bugs-come-under-attack.html

https://securityaffairs.com/193509/security/fortinet-patched-a-new-critical-fortisandbox-flaw.html

https://www.securityweek.com/critical-vulnerabilities-patched-in-fortinet-ivanti-products/

https://thehackernews.com/2026/06/ivanti-fortinet-and-sap-release-patches.html

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-25089

https://fortiguard.fortinet.com/psirt/FG-IR-26-141

Details

Source: Mitre, NVD

Published: 2026-06-09

Updated: 2026-07-23

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.69827

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest