CVE-2026-126150 PUBLISHED

Assigner: fortinet
Reserved: 10.11.2026 Published: 11.11.2026 Updated: 11.11.2026

A weak password recovery mechanism for forgotten password vulnerability in Fortinet FortiMail 8.0.0, FortiMail 7.6.0 through 7.6.5, FortiMail 7.4.0 through 7.4.7, FortiMail 7.2.0 through 7.2.9 may allow an unauthenticated attacker to reset the password of an arbitrary IBE webmail user and take over their account via specially crafted HTTP requests.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:R
CVSS Score: 9.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Fortinet
Product	FortiMail
Versions	Default: unaffected Version 8.0.0 is affected affected from 7.6.0 to 7.6.5 (incl.) affected from 7.4.0 to 7.4.7 (incl.) affected from 7.2.0 to 7.2.9 (incl.)

Solutions

Upgrade to FortiMail version 8.0.1 or above Upgrade to FortiMail version 7.6.6 or above Upgrade to FortiMail version 7.4.8 or above Upgrade to upcoming FortiMail version 7.2.10 or above

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-202

Problem Types

Denial of service CWE