Description
A improper certificate validation vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.13 may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the SSLVPN web portal and the backend destination website.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fortinet | FortiOS | unaffected |
|
No data.
No data.
No data available yet.
Remediation
Vendor Solution
Upgrade to FortiOS version 8.0.0 or above Upgrade to FortiOS version 7.6.5 or above Upgrade to FortiOS version 7.4.10 or above Upgrade to FortiOS version 7.2.14 or above
Tracking
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Advisories
No advisories yet.
References
| Link | Providers |
|---|---|
| https://fortiguard.fortinet.com/psirt/FG-IR-26-193 |
|
History
Wed, 11 Nov 2026 21:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A improper certificate validation vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.13 may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the SSLVPN web portal and the backend destination website. | |
| First Time appeared |
Fortinet
Fortinet fortios |
|
| Weaknesses | CWE-295 | |
| CPEs | cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.10:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.11:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.12:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.13:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.14:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.16:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.16:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.17:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.18:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.19:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.10:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.11:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.12:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.13:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.7:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.8:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.2.9:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.4.2:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.4.3:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.4.5:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.4.6:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.4.7:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.4.8:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.4.9:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:* |
|
| Vendors & Products |
Fortinet
Fortinet fortios |
|
| References |
| |
| Metrics |
cvssV3_1
|
MITRE
Status: PUBLISHED
Assigner: fortinet
Published:
Updated: 2026-11-11T21:31:53.978Z
Reserved: 2026-11-03T14:32:10.363Z
Link: CVE-2026-121528
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-11-11T22:17:11.250
Modified: 2026-11-11T22:17:11.250
Link: CVE-2026-121528
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses