Authentication bypass in Fortinet FortiSandbox and FortiSandbox PaaS
Priority MEDIUM 50CWE-288Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-288.
Summary
Fortinet FortiSandbox versions 5.0.0 through 5.0.6, 4.4.0 through 4.4.9 and 4.2.1 through 4.2.8, and FortiSandbox PaaS versions in the same ranges, contain an authentication bypass using an alternate path or channel (CWE-288). A remote attacker without credentials can send crafted HTTP requests to execute unauthorized code or commands.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
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
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00851 58th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Fortinet | FortiSandbox | 5.0.0 – 5.0.6; 4.4.0 – 4.4.9; 4.2.1 – 4.2.8 | — | No fix listed | CNA |
| Fortinet | FortiSandbox PaaS | 5.0.0 – 5.0.6; 4.4.0 – 4.4.9; 4.2.1 – 4.2.8 | — | No fix listed | CNA |
- FortiSandbox VendorFortinet Affected 5.0.0 – 5.0.6; 4.4.0 – 4.4.9; 4.2.1 – 4.2.8 Fixed in — No fix listed CNA
- FortiSandbox PaaS VendorFortinet Affected 5.0.0 – 5.0.6; 4.4.0 – 4.4.9; 4.2.1 – 4.2.8 Fixed in — No fix listed CNA
CPE names CNA · 50
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fortinet:fortisandbox:5.0.6:*:*:*:*:*:*:* | 5.0.6 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:5.0.5:*:*:*:*:*:*:* | 5.0.5 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:5.0.4:*:*:*:*:*:*:* | 5.0.4 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:5.0.3:*:*:*:*:*:*:* | 5.0.3 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:5.0.2:*:*:*:*:*:*:* | 5.0.2 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:5.0.1:*:*:*:*:*:*:* | 5.0.1 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:5.0.0:*:*:*:*:*:*:* | 5.0.0 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.4.9:*:*:*:*:*:*:* | 4.4.9 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.4.8:*:*:*:*:*:*:* | 4.4.8 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.4.7:*:*:*:*:*:*:* | 4.4.7 | — | Fortinet |
- cpe:2.3:a:fortinet:fortisandbox:5.0.6:*:*:*:*:*:*:* Versions 5.0.6 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:5.0.5:*:*:*:*:*:*:* Versions 5.0.5 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:5.0.4:*:*:*:*:*:*:* Versions 5.0.4 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:5.0.3:*:*:*:*:*:*:* Versions 5.0.3 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:5.0.2:*:*:*:*:*:*:* Versions 5.0.2 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:5.0.1:*:*:*:*:*:*:* Versions 5.0.1 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:5.0.0:*:*:*:*:*:*:* Versions 5.0.0 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.4.9:*:*:*:*:*:*:* Versions 4.4.9 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.4.8:*:*:*:*:*:*:* Versions 4.4.8 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.4.7:*:*:*:*:*:*:* Versions 4.4.7 — ·Fortinet
Show 40 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fortinet:fortisandbox:4.4.6:*:*:*:*:*:*:* | 4.4.6 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.4.5:*:*:*:*:*:*:* | 4.4.5 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.4.4:*:*:*:*:*:*:* | 4.4.4 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.4.3:*:*:*:*:*:*:* | 4.4.3 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.4.2:*:*:*:*:*:*:* | 4.4.2 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.4.1:*:*:*:*:*:*:* | 4.4.1 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.4.0:*:*:*:*:*:*:* | 4.4.0 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.2.8:*:*:*:*:*:*:* | 4.2.8 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.2.7:*:*:*:*:*:*:* | 4.2.7 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.2.6:*:*:*:*:*:*:* | 4.2.6 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.2.5:*:*:*:*:*:*:* | 4.2.5 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.2.4:*:*:*:*:*:*:* | 4.2.4 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.2.3:*:*:*:*:*:*:* | 4.2.3 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.2.2:*:*:*:*:*:*:* | 4.2.2 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandbox:4.2.1:*:*:*:*:*:*:* | 4.2.1 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:5.0.6:*:*:*:*:*:*:* | 5.0.6 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:5.0.5:*:*:*:*:*:*:* | 5.0.5 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:5.0.4:*:*:*:*:*:*:* | 5.0.4 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:5.0.3:*:*:*:*:*:*:* | 5.0.3 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:5.0.2:*:*:*:*:*:*:* | 5.0.2 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:5.0.1:*:*:*:*:*:*:* | 5.0.1 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:5.0.0:*:*:*:*:*:*:* | 5.0.0 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.4.9:*:*:*:*:*:*:* | 4.4.9 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.4.8:*:*:*:*:*:*:* | 4.4.8 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.4.7:*:*:*:*:*:*:* | 4.4.7 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.4.6:*:*:*:*:*:*:* | 4.4.6 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.4.5:*:*:*:*:*:*:* | 4.4.5 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.4.4:*:*:*:*:*:*:* | 4.4.4 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.4.3:*:*:*:*:*:*:* | 4.4.3 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.4.2:*:*:*:*:*:*:* | 4.4.2 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.4.1:*:*:*:*:*:*:* | 4.4.1 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.4.0:*:*:*:*:*:*:* | 4.4.0 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.2.8:*:*:*:*:*:*:* | 4.2.8 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.2.7:*:*:*:*:*:*:* | 4.2.7 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.2.6:*:*:*:*:*:*:* | 4.2.6 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.2.5:*:*:*:*:*:*:* | 4.2.5 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.2.4:*:*:*:*:*:*:* | 4.2.4 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.2.3:*:*:*:*:*:*:* | 4.2.3 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.2.2:*:*:*:*:*:*:* | 4.2.2 | — | Fortinet |
| cpe:2.3:a:fortinet:fortisandboxpaas:4.2.1:*:*:*:*:*:*:* | 4.2.1 | — | Fortinet |
- cpe:2.3:a:fortinet:fortisandbox:4.4.6:*:*:*:*:*:*:* Versions 4.4.6 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.4.5:*:*:*:*:*:*:* Versions 4.4.5 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.4.4:*:*:*:*:*:*:* Versions 4.4.4 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.4.3:*:*:*:*:*:*:* Versions 4.4.3 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.4.2:*:*:*:*:*:*:* Versions 4.4.2 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.4.1:*:*:*:*:*:*:* Versions 4.4.1 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.2.8:*:*:*:*:*:*:* Versions 4.2.8 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.2.7:*:*:*:*:*:*:* Versions 4.2.7 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.2.6:*:*:*:*:*:*:* Versions 4.2.6 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.2.5:*:*:*:*:*:*:* Versions 4.2.5 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.2.4:*:*:*:*:*:*:* Versions 4.2.4 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.2.3:*:*:*:*:*:*:* Versions 4.2.3 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandbox:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:5.0.6:*:*:*:*:*:*:* Versions 5.0.6 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:5.0.5:*:*:*:*:*:*:* Versions 5.0.5 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:5.0.4:*:*:*:*:*:*:* Versions 5.0.4 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:5.0.3:*:*:*:*:*:*:* Versions 5.0.3 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:5.0.2:*:*:*:*:*:*:* Versions 5.0.2 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:5.0.1:*:*:*:*:*:*:* Versions 5.0.1 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:5.0.0:*:*:*:*:*:*:* Versions 5.0.0 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.4.9:*:*:*:*:*:*:* Versions 4.4.9 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.4.8:*:*:*:*:*:*:* Versions 4.4.8 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.4.7:*:*:*:*:*:*:* Versions 4.4.7 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.4.6:*:*:*:*:*:*:* Versions 4.4.6 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.4.5:*:*:*:*:*:*:* Versions 4.4.5 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.4.4:*:*:*:*:*:*:* Versions 4.4.4 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.4.3:*:*:*:*:*:*:* Versions 4.4.3 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.4.2:*:*:*:*:*:*:* Versions 4.4.2 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.4.1:*:*:*:*:*:*:* Versions 4.4.1 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.2.8:*:*:*:*:*:*:* Versions 4.2.8 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.2.7:*:*:*:*:*:*:* Versions 4.2.7 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.2.6:*:*:*:*:*:*:* Versions 4.2.6 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.2.5:*:*:*:*:*:*:* Versions 4.2.5 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.2.4:*:*:*:*:*:*:* Versions 4.2.4 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.2.3:*:*:*:*:*:*:* Versions 4.2.3 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 — ·Fortinet
- cpe:2.3:a:fortinet:fortisandboxpaas:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 — ·Fortinet
Remediation
The sources list no fixed version for FortiSandbox or FortiSandbox PaaS.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Timeline
- 2026-10-26 Threatist record created from CVE-2026-107656
- 2026-10-26 CISA SSVC decision points changed
- 2026-10-27 CISA SSVC decision points changed
- 2026-10-27 Alias added: GHSA-g63q-h893-6372
References
More Fortinet vulnerabilities
- TI-2026-65779 Path traversal in Fortinet FortiMail KEVCVSS 3.1CRITICAL 9.8
- TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
- TI-2025-39856 Path traversal in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
- TI-2025-23811 Stack-based buffer overflow in Fortinet FortiNDR KEVCVSS 3.1CRITICAL 9.8
- TI-2025-18919 SQL injection in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.8
- TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-107656 · CVE Program
- CVE-2026-107656 · NVD
- FIRST EPSS
- GHSA-g63q-h893-6372 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences