CVE-2026-84393

State: Published
Severity: 7.3 High
Published: Sep 8, 2026
Updated: Oct 15, 2026
Reserved: Sep 1, 2026

Description

A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via <insert attack vector here>

Scores

CVSS	Score	Vector	Source
3.1	7.3 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C	fortinet

Weaknesses

CWE-297 Information disclosure

Affected Products

Product	Versions
FortiOSFortinet	7.6.1 through 7.6.6Affected
FortiProxyFortinet	7.6.2 through 7.6.6Affected

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-174
https://cert-portal.siemens.com/productcert/html/ssa-127084.html

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.