Is CVE-2026-25691 being actively exploited?

CVE-2026-25691 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2026-25691?

CVE-2026-25691 has a CVSS 3.1 base score of 6.7 (MEDIUM).

CVE-2026-25691

MEDIUM · CVSS 6.7EPSS 0.5%EU EUVD

A improper limitation of a pathname to a restricted directory ('path traversal') 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, FortiSandbox PaaS 5.0.4 may allow a privileged attacker with super-admin profile and CLI access to delete an arbitrary directory via HTTP crafted requests.

Key facts

CVSS score: 6.7 (v3.1)
Severity: MEDIUM
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H
Weakness (CWE): CWE-22
EPSS score: 0.5% (39th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2026-22331)
Published: April 14, 2026
NVD last modified: June 17, 2026
Status: Analyzed

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2026-22331 in the EU Vulnerability Database. Last updated in EUVD on April 14, 2026.

View on the EU Vulnerability Database

Affected products

fortinet / fortisandbox
fortinet / fortisandbox cloud

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

https://fortiguard.fortinet.com/psirt/FG-IR-26-115(Vendor Advisory)

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

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