CVE WatchNov 11, 2026

CVE-2026-126155

A incorrect authorization 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.

CVSS

9.1

Critical

EPSS

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KEV

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Exploit Today

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0-100

Published: Nov 11, 2026 · Last modified: Nov 11, 2026 · CWE-863

EPSS · 30d

Not enough EPSS history yet.

Technical description

A incorrect authorization 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 obtain an authenticated IBE webmail session as any IBE recipient and read or send their encrypted mail via crafted HTTP requests.

Official references

fortiguard.fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-26-207

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-126872—

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———Incorrect authorization in FileSystem in Google Chrome prior to 157.0.8103.78 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)3h CVE-2026-126866—

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———Incorrect authorization in Extensions in Google Chrome prior to 157.0.8103.78 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted Chrome extension. (Chromium security severity: High)3h CVE-2026-126860—

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———Incorrect authorization in FileSystem in Google Chrome prior to 157.0.8103.78 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)3h CVE-2026-126854—

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———Incorrect authorization in Layout in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)3h CVE-2026-126850—

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———Incorrect authorization in SiteIsolation in Google Chrome on on Android prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via a crafted HTML page. (Chromium security severity: High)3h CVE-2026-1262519.1 CRI

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———A incorrect authorization vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an attacker to bypass authentication and gain unauthorized access.4h