CVE-2026-126156
Fortinet FortiMail Authorization Bypass Vulnerability
Description
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.
INFO
Published Date :
Nov. 11, 2026, 9:29 p.m.
Last Modified :
Nov. 11, 2026, 9:29 p.m.
Remotely Exploit :
Yes !
Source :
fortinet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 6abe59d8-c742-4dff-8ce8-9b0ca1073da8 |
Solution
- Update Fortinet FortiMail firmware to a patched version.
- Apply vendor-supplied security patches.
- Restrict access to the affected system.
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CVE-2026-126156 vulnerability anywhere in the article.