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CVE-2026-26083

CRITICAL · CVSS 9.8EPSS 0.5%EU EUVD

A missing authorization vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox Cloud 5.0.2 through 5.0.5, FortiSandbox PaaS 23.4 all versions, FortiSandbox PaaS 23.3 all versions, FortiSandbox PaaS 23.1 all versions, FortiSandbox PaaS 22.2 all versions, FortiSandbox PaaS 22.1 all versions, FortiSandbox PaaS 21.4 all versions, FortiSandbox PaaS 21.3 all versions, FortiSandbox PaaS 5.0.0 through 5.0.1, FortiSandbox PaaS 4.4.5 through 4.4.8 may allow an unauthenticated attacker to execute unauthorized code or commands via HTTP requests.

Key facts

CVSS score
9.8 (v3.1)
Severity
CRITICAL
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-862
EPSS score
0.5% (41th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2026-29550)
Published
May 12, 2026
NVD last modified
July 8, 2026
Status
Analyzed

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2026-29550 in the EU Vulnerability Database. Last updated in EUVD on July 8, 2026.

View on the EU Vulnerability Database

Affected products

  • fortinet / fortisandbox
  • fortinet / fortisandbox cloud
  • fortinet / fortisandbox cloud
  • fortinet / fortisandbox paas

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

  • FortiSandbox 4.4 - Fortinet, Inc. - Common Criteria CCEVS-VR-VID-11636-2025 - active

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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