PSIRT Improper Authentication of FortiPAM Server
Fortinet reports an improper authentication vulnerability that may let a remote unauthenticated attacker proxy a user's browser traffic through attacker-controlled servers when the user visits a malicious website. Remediation requires updates to both FortiPAM and its Chrome extension.
- Products
- FortiPAM, FortiPAM Chrome Extension 7.4, FortiPAM Chrome Extension 8.0
- Affected versions
- 7.4 all versions, 8.0 all versions
- Fixed versions
- 1.8.4, 1.9.1, 8.0.1.123 or above
- CVEs
- CVE-2026-84388
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 19:44 UTC · Revision 1
Source evidence
PSIRT Improper Authentication of FortiPAM Server
official-fortinet-psirt · Original sourcePublished 8 Sept 2026, 07:00 UTC
Fortinet reports an improper authentication vulnerability that may let a remote unauthenticated attacker proxy a user's browser traffic through attacker-controlled servers when the user visits a malicious website. Remediation requires updates to both FortiPAM and its Chrome extension.
An improper authentication vulnerability [CWE-287] in the Fortinet Privileged Access Agent Chrome Extension may allow a remote unauthenticated attacker to proxy a user's browser traffic through attacker controlled servers if the user visits a malicious website.
FortiPAM Chrome Extension 8.0
Fixed versions: 8.0.1.123 or above
FortiPAM Chrome Extension 7.4
Fixed versions: Not specified
FortiPAM
Fixed versions: 1.9.1, 1.8.4
Complete source record
{
"id": "dd6ec559d74a38545c9da4a8fbcc3c003f4c26972d0da6d3730d63464dfd6520",
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-168",
"method": "llm",
"payload": {
"kind": "patch",
"title": "PSIRT Improper Authentication of FortiPAM Server",
"summary": "Fortinet reports an improper authentication vulnerability that may let a remote unauthenticated attacker proxy a user's browser traffic through attacker-controlled servers when the user visits a malicious website. Remediation requires updates to both FortiPAM and its Chrome extension.",
"evidence": "An improper authentication vulnerability [CWE-287] in the Fortinet Privileged Access Agent Chrome Extension may allow a remote unauthenticated attacker to proxy a user's browser traffic through attacker controlled servers if the user visits a malicious website.",
"products": [
{
"name": {
"value": "FortiPAM Chrome Extension 8.0",
"evidence": "FortiPAM Chrome Extension 8.0"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "8.0.1.123 or above",
"evidence": "Upgrade to 8.0.1.123 or above"
}
],
"affected_versions": [
{
"value": "8.0 all versions",
"evidence": "8.0 all versions"
}
]
},
{
"name": {
"value": "FortiPAM Chrome Extension 7.4",
"evidence": "FortiPAM Chrome Extension 7.4"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.4 all versions",
"evidence": "7.4 all versions"
}
]
},
{
"name": {
"value": "FortiPAM",
"evidence": "customers should upgrade FortiPAM to 1.9.1 or 1.8.4"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.9.1",
"evidence": "customers should upgrade FortiPAM to 1.9.1 or 1.8.4"
},
{
"value": "1.8.4",
"evidence": "customers should upgrade FortiPAM to 1.9.1 or 1.8.4"
}
],
"affected_versions": []
}
],
"severity": "critical",
"fixed_cves": [],
"related_cves": [
{
"value": "CVE-2026-84388",
"evidence": "CVE ID CVE-2026-84388"
}
],
"security_relevant": true,
"severity_evidence": "Severity Critical"
},
"source_id": "official-fortinet-psirt",
"document_id": 23565,
"published_at": "2026-09-08T07:00:00+00:00"
}