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High7.5Fortinet

CVE-2026-126151: Fortinet Incorrect implementation of authentication algorithm in fortiweb2

This Fortinet advisory covers CVE-2026-126151 in FortiMail.

Open the Fortinet advisory

Key facts

Vendor rating
High, CVSS 7.5
CISA KEV
Not listed (catalogue checked )
Affected
FortiMail: 7.2.0 through 8.0.1 (vendor-listed versions)
Advisory id
FG-IR-26-203
Source published
Source revised
Listed by VulniPulse

Compiled by VulniPulse from the linked sources. How records are collected and checked.

Affected products & platforms

FortinetFortiMail

Description

CVSSv3 Score:

7.5

An Incorrect Implementation of Authentication Algorithm vulnerability (CWE-303) in FortiWeb may allow an unauthenticated remote attacker to gain elevation of privilege (account takeover) via a crafted request.

Revised on 2026-11-10 00:00:00

Affected product named by the advisory: FortiMail.

Text from the source record.

Affected versions
  • FortiMail: 7.2.0 through 8.0.1 (vendor-listed versions)

Official advisory · high-confidence parse· fetched ·verify at source

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