HighFix available
Out of bounds read in GUI
Type: advisorySources: Fortinet PSIRT
A remote unauthenticated attacker may retrieve sensitive information from FortiAuthenticator using a specially crafted request.
- Products
- FortiAuthenticator
- Affected versions
- 6.5 all versions, 6.6.0 through 6.6.2
- Fixed versions
- 6.6.3 or above
- CVEs
- CVE-2025-53379
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 20:22 UTC · Revision 1
Source evidence
A remote unauthenticated attacker may retrieve sensitive information from FortiAuthenticator using a specially crafted request.
may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request.
FortiAuthenticator
Fixed versions: 6.6.3 or above
FortiAuthenticator
Fixed versions: Not specified
FortiAuthenticator
Fixed versions: Not specified
Complete source record
{
"id": "ae0cff355927df23d5af6bcd0e00a16d602327f2ed779c7390c7c37d171be526",
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-146",
"method": "llm",
"payload": {
"kind": "advisory",
"title": "Out of bounds read in GUI",
"summary": "A remote unauthenticated attacker may retrieve sensitive information from FortiAuthenticator using a specially crafted request.",
"evidence": "may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request.",
"products": [
{
"name": {
"value": "FortiAuthenticator",
"evidence": "FortiAuthenticator 6.6"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "6.6.3 or above",
"evidence": "Upgrade to 6.6.3 or above"
}
],
"affected_versions": [
{
"value": "6.6.0 through 6.6.2",
"evidence": "6.6.0 through 6.6.2"
}
]
},
{
"name": {
"value": "FortiAuthenticator",
"evidence": "FortiAuthenticator 6.5"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "6.5 all versions",
"evidence": "6.5 all versions"
}
]
},
{
"name": {
"value": "FortiAuthenticator",
"evidence": "FortiAuthenticator 8.0"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": []
}
],
"severity": "high",
"fixed_cves": [],
"related_cves": [
{
"value": "CVE-2025-53379",
"evidence": "CVE ID CVE-2025-53379"
}
],
"security_relevant": true,
"severity_evidence": "Severity High"
},
"source_id": "official-fortinet-psirt",
"document_id": 23586,
"published_at": "2026-07-14T07:00:00+00:00"
}