CVE-2026-126155: Fortinet FortiMail improper access control
This Fortinet advisory covers CVE-2026-126155 in FortiMail.
- CVE-2026-126155
Key facts
- Vendor rating
- Critical, CVSS 9.1
- CISA KEV
- Not listed (catalogue checked )
- Affected
- FortiMail: 7.2.0 through 8.0.1 (vendor-listed versions)
- Advisory id
- FG-IR-26-207
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
CVSSv3 Score:
9.1
An Incorrect Authorization vulnerability [CWE-863] in FortiMail may allow an unauthenticated remote attacker to obtain an authenticated IBE webmail session as any IBE recipient and read or send their encrypted mail via crafted HTTP requests.
Revised on 2026-11-10 00:00:00
Text from the source record.
- FortiMail: 7.2.0 through 8.0.1 (vendor-listed versions)
Official advisory · high-confidence parse· fetched ·verify at source
More Fortinet advisories
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