CRITICALCVSS v3.1 9.1Vulnerability

CVE-2026-126156

A authorization bypass through user-controlled key 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 take over an arbitrary IBE recipient account via crafted HTTP requests.

Properties

Severity
CRITICAL
Nvd fetched at
2026-11-11T23:49:45.533241+00:00
Cvss score
9.1
Cvss severity
CRITICAL
Retrieved at
2026-11-11T23:50:18+00:00
Score
9.1
Last source
NVD
Cvss version
3.1
Cve id
CVE-2026-126156
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
First seen by Signal
2026-11-11T23:46:41+00:00
Name
CVE-2026-126156
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published at
2026-11-11T22:17:13.450
Last modified
2026-11-11T22:17:13.450

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CVE-2026-126156 (CVSS v3.1 9.1) — Ninja Signal Threat Intelligence | Ninja Signal