Description
A authorization bypass through user-controlled key vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow an unauthenticated remote attacker to take over an arbitrary IBE recipient account via crafted HTTP requests.
Published: 2026-11-11
Score: 9.1 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor Solution

Upgrade to FortiMail version 8.0.2 or above Upgrade to FortiMail version 7.6.7 or above Upgrade to FortiMail version 7.4.9 or above

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 11 Nov 2026 21:45:00 +0000

Type Values Removed Values Added
Description A authorization bypass through user-controlled key vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow an unauthenticated remote attacker to take over an arbitrary IBE recipient account via crafted HTTP requests.
First Time appeared Fortinet
Fortinet fortimail
Weaknesses CWE-639
CPEs cpe:2.3:a:fortinet:fortimail:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.2.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.2.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.2.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.2.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.2.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.2.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.2.7:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.2.8:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.2.9:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.4.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.4.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.4.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.4.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.4.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.4.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.4.7:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.4.8:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.6.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.6.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.6.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.6.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.6.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.6.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:8.0.1:*:*:*:*:*:*:*
Vendors & Products Fortinet
Fortinet fortimail
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C'}

Subscriptions

Fortinet Fortimail
cve-icon MITRE

Status: PUBLISHED

Assigner: fortinet

Published:

Updated: 2026-11-11T21:29:14.950Z

Reserved: 2026-11-10T20:03:40.696Z

Link: CVE-2026-126156

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-11T22:17:13.450

Modified: 2026-11-11T22:17:13.450

Link: CVE-2026-126156

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key