CVE-2026-126151
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
A incorrect implementation of authentication algorithm 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 gain elevation of privilege (account takeover) via a crafted request.
| CWE | CWE-303 |
| Vendor | fortinet |
| Product | fortimail |
| Ecosystems | |
| Industries | NetworkingSecurity |
| Published | Nov 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:R Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
Fortinet / FortiMail
8.0.0 ≤ 8.0.1 7.6.0 ≤ 7.6.6 7.4.0 ≤ 7.4.8 7.2.0 ≤ 7.2.9