CVE-2026-21741
Summary
| CVE | CVE-2026-21741 |
|---|---|
| State | PUBLISHED |
| Assigner | fortinet |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-14 16:16:35 UTC |
| Updated | 2026-04-20 18:06:16 UTC |
| Description | An URL Redirection to Untrusted Site ('Open Redirect') vulnerability [CWE-601] vulnerability in Fortinet FortiNAC-F 7.6.0 through 7.6.5, FortiNAC-F 7.4 all versions, FortiNAC-F 7.2 all versions may allow a remote privileged attacker with system administrator role to redirect users to an arbitrary website via crafted CSV file. |
Risk And Classification
Primary CVSS: v3.1 4.8 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.000340000 probability, percentile 0.098420000 (date 2026-04-21)
Problem Types: CWE-601 | CWE-601 Execute unauthorized code or commands
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 4.8 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| 3.1 | [email protected] | Secondary | 2.4 | LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N |
| 3.1 | CNA | CVSS | 2.2 | LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
HighUser Interaction
RequiredScope
ChangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Fortinet | Fortinac-f | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Fortinet | FortiNAC-F | affected 7.6.0 7.6.5 semver | Not specified |
| CNA | Fortinet | FortiNAC-F | affected 7.4.0 7.4.3 semver | Not specified |
| CNA | Fortinet | FortiNAC-F | affected 7.2.0 7.2.9 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| fortiguard.fortinet.com/psirt/FG-IR-26-118 | [email protected] | fortiguard.fortinet.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Solutions
CNA: Upgrade to upcoming FortiNAC-F version 7.6.6 or above
There are currently no legacy QID mappings associated with this CVE.