CVE-2026-107656

At a glance

Severity: CRITICAL 9.6
EPSS: EPSS 0.85 % · percentile 58 (2026-10-28)
State: PUBLISHED
Published: 2026-10-26
Updated: 2026-10-27
Assigner: fortinet
NVD status: Awaiting Analysis

Description

An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all versions, FortiSandbox PaaS 5.0.0 through 5.0.6, FortiSandbox PaaS 4.4 all versions, FortiSandbox PaaS 4.2 all versions may allow attacker to execute unauthorized code or commands via crafted HTTP requests

Scores

Version	Score	Vector	Scored by
CVSS 3.1	CRITICAL 9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C	fortinet
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · psirt@fortinet.com (Secondary)

Weaknesses (CWE)

CWE-288

European references

ENISA EUVD · EUVD-2026-109831
GCVE · GCVE-0-2026-107656

CERT-FR advisories

CERTFR-2026-AVI-1306 — Multiples vulnérabilités dans les produits Fortinet · cert.ssi.gouv.fr

Affected products

Product	Versions
Fortinet · FortiSandbox	affected 5.0.0 ≤ 5.0.6 ; affected 4.4.0 ≤ 4.4.9 ; affected 4.2.1 ≤ 4.2.8
Fortinet · FortiSandbox PaaS	affected 5.0.0 ≤ 5.0.6 ; affected 4.4.0 ≤ 4.4.9 ; affected 4.2.1 ≤ 4.2.8

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-185

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD