High
CVE-2026-84393
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
Announced Group revision 1
Original source ↗CVE-2026-84393
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-84393
FortiOS
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
FortiProxy
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:o:fortinet:fortios:7.6.6:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.5:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*"
],
"vendor": "Fortinet",
"product": "FortiOS",
"versions": [
{
"status": "affected",
"version": "7.6.1",
"versionType": "semver",
"lessThanOrEqual": "7.6.6"
}
],
"defaultStatus": "unaffected"
},
{
"cpes": [
"cpe:2.3:a:fortinet:fortiproxy:7.6.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiproxy:7.6.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiproxy:7.6.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiproxy:7.6.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:fortiproxy:7.6.2:*:*:*:*:*:*:*"
],
"vendor": "Fortinet",
"product": "FortiProxy",
"versions": [
{
"status": "affected",
"version": "7.6.2",
"versionType": "semver",
"lessThanOrEqual": "7.6.6"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-84393
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #28470 · Revision 1
- Added to Heist Feed
- Publisher date