PT-2026-87183 · Fortinet · Fortios+1
CVE-2026-84393
·
Published
2026-09-08
·
Updated
2026-09-10
CVSS v3.1
8.1
High
| Vector | AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
New security alarm: Fortinet’s Agentless ZTNA has a certificate‐validation flaw (CVE-2026-84393) letting attackers perform MITM on FortiOS and FortiProxy. Versions 7.6.1-7.6.6 are vulnerable; upgrade to 7.6.7 or later. This unauthenticated risk puts exposed portals at serious risk—patch now if you rely on Fortinet ZTNA.
#Security #ZTNA #Fortinet #CVE2026-84393 #ManInTheMiddle #PatchNow
Fix
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Weakness Enumeration
Related Identifiers
Affected Products
Fortios
Fortiproxy