CVE-2026-126156: Fortinet Authorization bypass through user-controlled key
This Fortinet advisory covers CVE-2026-126156 in FortiMail.
- CVE-2026-126156
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-26-208
- 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 Authorization Bypass Through User-Controlled Key vulnerability [CWE-639] in FortiMail may allow an unauthenticated remote attacker to take over an arbitrary IBE recipient account 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
CVE-2026-126151Nov 10, 2026Incorrect implementation of authentication algorithm in fortiweb2CVE-2026-126155Nov 10, 2026FortiMail improper access controlCVE-2026-126148Nov 10, 2026FortiMail command injectionCVE-2026-126158Nov 10, 2026FortiMail command injectionCVE-2026-126164Nov 10, 2026FortiMail SQL injectionCVE-2026-126144Nov 10, 2026FortiMail command injection
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