Is CVE-2026-84388 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-84388 being exploited in the wild.

How severe is CVE-2026-84388?

Critical severity, with a CVSS score of 9.6, published 22 September 2026.

Which products and versions are affected?

Fortinet Fortipam 1.8.x, 1.9.0; Fortinet FortiPAM Chrome Extension 7.4 all versions, 8.0 all versions.

Is there a fix for CVE-2026-84388?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-84388 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-84388?

Check whether you run Fortinet Fortipam or Fortinet FortiPAM Chrome Extension at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-84388: Fortinet FortiPAM Chrome Extension improper authentication flaw

CVE-2026-84388 · Severity: critical · CVSS 9.6 · Published 2026-09-22

Fortinet's Chrome extension for privileged access management contains an authentication vulnerability that allows remote attackers to intercept and proxy a user's browser traffic without authentication. An attacker can exploit this by hosting a malicious website; when a user with the vulnerable extension visits it, their traffic can be routed through attacker-controlled servers, exposing credentials and sensitive data.

Technologies: Fortinet Fortipam. Vendors: Fortinet.

Quick answers

Is CVE-2026-84388 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-84388 being exploited in the wild.
How severe is CVE-2026-84388?: Critical severity, with a CVSS score of 9.6, published 22 September 2026.
Which products and versions are affected?: Fortinet Fortipam 1.8.x, 1.9.0; Fortinet FortiPAM Chrome Extension 7.4 all versions, 8.0 all versions.
Is there a fix for CVE-2026-84388?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-84388 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-84388?: Check whether you run Fortinet Fortipam or Fortinet FortiPAM Chrome Extension at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is an improper authentication flaw (CWE-287) in the Fortinet Privileged Access Agent Chrome Extension's GUI component. A remote, unauthenticated attacker can trick a user into visiting a malicious website to proxy that user's browser traffic through attacker-controlled servers, resulting in information disclosure of credentials and session data. Fixes are available: version 8.0.1.123 or above for extension 8.0, coordinated with FortiPAM server upgrades to 1.9.1 or 1.8.4.

Affected products

Fortinet FortiPAM Chrome Extension 7.4 all versions, 8.0 all versions
Fortinet FortiPAM 1.8.x, 1.9.0

Timeline

2026-09-08: disclosed
2026-09-22: advisory

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-168

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