Skip to content
Heist/ feed
Back to feed
CriticalFix available

PSIRT Improper Authentication of FortiPAM Server

Type: patchSources: Fortinet PSIRT

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 source

Published 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"
}